Viral meningitis is the most common type, but it’s not usually life-threatening. The enteroviruses that cause meningitis can spread through direct contact with saliva, nasal mucus, or feces ...Spinal meningitis is inflammation of the brain and spinal cord due to an infection. Types of meningitis include viral, bacterial, fungal, parasitic, amoebic, and noninfectious. Symptoms typically include headache, fever, and neck stiffness. Treatment depends on the type of meningitis but can include antibiotics, pain relievers, or hospitalization.Extreme fatigue. Irritability. Blue color to the skin. Babies with group B strep bacteria could get serious complications like these: Pneumonia -- a lung infection. Meningitis -- inflammation in ... Sep 17, 2019 · Summary. Meningitis is inflammation of the thin tissue that surrounds the brain and spinal cord, called the meninges. There are several types of meningitis. The most common is viral meningitis. You get it when a virus enters the body through the nose or mouth and travels to the brain. Bacterial meningitis is rare, but can be deadly. Mar 16, 2022 · Serogroup B meningococcal vaccines, such as Bexero or Trumenba. All children should be vaccinated at 11 or 12 with one of the conjugate vaccines, with a booster dose at age 16. As for the serogroup B vaccine, teens should definitely get it if. they have a complement deficiency (this is something that is generally diagnosed by the teenage years). Signs and symptoms in people over the age of 2 may include: High fever that comes on suddenly. Stiff neck. Severe headache that seems unusual. Headache with nausea or vomiting. Confusion or ...Meningitis is an infection of the protective membranes that surround the brain and spinal cord (meninges). It can affect anyone, but is most common in babies, young children, teenagers and young adults. Meningitis can be very serious if not treated quickly. It can cause life-threatening blood poisoning (septicaemia) and result in permanent ...Serogroup B meningococcal vaccines, such as Bexero or Trumenba. All children should be vaccinated at 11 or 12 with one of the conjugate vaccines, with a booster dose at age 16. As for the serogroup B vaccine, teens should definitely get it if. they have a complement deficiency (this is something that is generally diagnosed by the teenage years).Feb 8, 2011 · Newborn babies are immune to some diseases because they have antibodies they get from their mothers, usually before they are born. However, this immunity lasts a few months. Most babies do not get protective antibodies against diphtheria, whooping cough, polio, tetanus, hepatitis B, or Hib from their mothers. Two serious bacterial infections in a two-year period (meningitis, blood infection, or pneumonia) Swelling of the parotid gland (salivary glands located in front of the ear) Oral thrush that lasts for more than two months. A yeast infection that occurs in the digestive track or lungs. Constant or recurring sinus infections. Constant or ... Extreme fatigue. Irritability. Blue color to the skin. Babies with group B strep bacteria could get serious complications like these: Pneumonia -- a lung infection. Meningitis -- inflammation in ... Email Meningitis Infections in Infants and Children Meningitis is a swelling (inflammation) of the tissues that cover the brain and spinal cord. Sometimes, the swelling affects the brain. Meningitis can be caused by medications, injuries, and conditions such as cancer and lupus, but the most common cause is infection.Jun 21, 2021 · through feces, saliva, nasal mucus, sputum, and blister fluid. Epstein-Barr virus: This virus can spread. Trusted Source. through bodily fluids such as saliva. A person can also get it after organ ... Feb 26, 2018 · Protecting newborns Seeing a doctor Meningitis is a condition that causes inflammation in the meninges, which protect the brain and spinal cord. Meningitis is most often caused by a virus or... In infants, illness caused by group B strep can be within six hours of birth (early onset) — or weeks or months after birth (late onset). Signs and symptoms might include: Fever. Low body temperature. Difficulty feeding. Sluggishness, limpness or weak muscle tone. Difficulty breathing. Irritability. Jitteriness.The ways a person can get meningitis depend on what has caused it. Causes include bacteria, viruses, fungi, parasites, amebas, trauma, and medications. Infants can also get bacterial meningitis ...Feb 6, 2023 · Meningitis is an infection of the membranes that cover the brain and spinal cord. While meningitis affects people in all age groups, children 2 and younger are most at risk. Without prompt treatment, infants with meningitis can suffer permanent brain damage or even death. Learn more about the causes, symptoms, and treatment of this dangerous ... Protects your child from Hib disease, which can cause lifelong disability and be deadly. Protects your child from the most common type of Hib disease, meningitis (an infection of the lining of the brain and spinal cord). Keeps your child from missing school or child care, and you from missing work.The ways a person can get meningitis depend on what has caused it. Causes include bacteria, viruses, fungi, parasites, amebas, trauma, and medications. Infants can also get bacterial meningitis ...Meningococcal bacteria. Meningococcal disease is caused by the bacterium Neisseria meningitidis. There are several different groups of meningococcal bacteria including groups A, B, C, Y and W (previously called W135). These groups of bacteria can be further divided into specific strains. Most cases in New Zealand are caused by group B.Meningitis is an inflammation of the thin membranes that cover the brain and the spinal cord. It is most often caused by a bacterial or viral infection that moves into the cerebral spinal fluid. A fungus or parasite may also cause meningitis. Meningitis caused by a virus is more common and usually less severe. Almost half of neonatal sepsis survivors return to the hospital at least once after recovery. Some babies develop an infection of the membranes surrounding their brain called meningitis. Newborns who have this condition may develop serious symptoms and side effects, including: Extreme sluggishness (lethargy).Meningitis is when the membranes that surround and protect the brain and spinal cord become inflamed and swollen. This usually happens because the membranes, called the meninges, have become infected from bacteria or a virus. The inflammation can then cause damage to the brain or nerves.Bacterial meningitis is a devastating infection associated with high mortality and morbidity in the neonatal population. Prompt diagnosis and treatment are essential to achieving good outcomes in affected infants. While overall incidence and mortality have declined over the last several decades, morbidity associated with neonatal meningitis ... Jan 27, 2023 · Seizures. Sleepiness or trouble waking. Sensitivity to light. No appetite or thirst. Skin rash in some cases, such as in meningococcal meningitis. Signs in newborns Newborns and infants may show these signs: High fever. Jun 21, 2021 · through feces, saliva, nasal mucus, sputum, and blister fluid. Epstein-Barr virus: This virus can spread. Trusted Source. through bodily fluids such as saliva. A person can also get it after organ ... Symptoms and Signs of Neonatal HSV Infection. Manifestations generally occur between the 1st and 3rd weeks of life but rarely may not appear until as late as the 4th week. Neonates may present with local or disseminated disease. Skin vesicles are common with either type, occurring in about 70% overall. Neonates with no skin vesicles usually ...How is meningitis diagnosed in a child? Lumbar puncture (spinal tap). This is the only test that diagnoses meningitis. A needle is placed into the lower back, into the spinal canal. This is ... Blood tests. These can help diagnose infections that cause meningitis. CT scan or MRI. These are tests ... Infant development milestones for a 7- to 9-month-old include sitting, standing and laughing. By Mayo Clinic Staff. As your baby becomes more mobile and curious, infant development takes off. It might seem that your baby learns something new every day. Understand these next milestones and what you can do to promote your baby's growth.Among adults 60 years of age and older, the more common signs and symptoms of hydrocephalus are: Loss of bladder control or a frequent urge to urinate. Memory loss. Progressive loss of other thinking or reasoning skills. Difficulty walking, often described as a shuffling gait or the feeling of the feet being stuck. May 18, 2023 · In many cases, they are harmless. Bacterial meningitis occurs when these bacteria get in your bloodstream and travel to your brain and spinal cord to start an infection. Most bacteria that cause ... The ways a person can get meningitis depend on what has caused it. Causes include bacteria, viruses, fungi, parasites, amebas, trauma, and medications. Infants can also get bacterial meningitis ...Older children and adolescents have a stiff neck with a fever, headache, and confusion, and newborns and young infants are usually irritable, stop eating, vomit, or have other symptoms. The diagnosis is based on the results of a spinal tap and blood and urine tests. Some children die of meningitis even after receiving appropriate treatment.To help comfort your baby, you can: give them a cuddle; offer them extra cool drinks (if you're breastfeeding, your child may feed more often) take them for a walk in the fresh air; If the injection site is red, swollen or tender, put a clean cold cloth to the area for about 5 to 10 minutes – this may help to soothe your baby. After the MMR ...Viral meningitis (when meningitis is caused by a virus) is the most common type of meningitis. Most people get better on their own without treatment. However, anyone with symptoms of meningitis should see a doctor right away because any type of meningitis can be serious. Only a doctor can determine if someone has meningitis, what is causing it ...The MenB vaccine will protect your baby against infection by meningococcal group B bacteria. These bacteria are responsible for about 9 in every 10 meningococcal infections in young children. Meningococcal infections can be very serious, causing meningitis and sepsis. This can lead to severe brain damage, amputations and, sometimes, death.Encephalitis also may cause changes in sight or hearing. Most people with infectious encephalitis have flu-like symptoms, such as: Headache. Fever. Aches in muscles or joints. Fatigue or weakness. Typically, these are followed by more-severe symptoms over a period of hours to days, such as: Stiff neck.Press the bottom or side of a clear drinking glass firmly against the rash. Check if the rash fades under the pressure of the glass. If the rash does not fade, your child may have septicaemia caused by the meningitis germ. Get medical help at once. Meningitis tumbler test - The rash doesn't fade if you press the side of a clear glass firmly ...Meningitis is an infection of the membranes that cover the brain and spinal cord. While meningitis affects people in all age groups, children 2 and younger are most at risk. Without prompt treatment, infants with meningitis can suffer permanent brain damage or even death. Learn more about the causes, symptoms, and treatment of this dangerous ...Protects your child from Hib disease, which can cause lifelong disability and be deadly. Protects your child from the most common type of Hib disease, meningitis (an infection of the lining of the brain and spinal cord). Keeps your child from missing school or child care, and you from missing work.Sep 2, 2022 · Meningitis is a serious illness that causes inflammation of the membranes around the spinal cord and neck. It can be fatal without prompt treatment. The meningitis vaccine is one of the best ways ... Bacterial meningitis, which took the life of famed guitar player Jeff Beck, is a potentially deadly infection that can strike quickly. Learn about the causes, what puts you at risk, and how to ...Meningitis is an inflammation of the meninges (meh-NIN-jeez), the membranes that cover the brain and spinal cord. Some types of meningitis (meh-nen-JYE-tis) can be dangerous and even life-threatening. Routine vaccinations can help prevent it. Quick treatment of meningitis usually is successful. So it's important to know what symptoms it can ...May 22, 2023 · To help comfort your baby, you can: give them a cuddle; offer them extra cool drinks (if you're breastfeeding, your child may feed more often) take them for a walk in the fresh air; If the injection site is red, swollen or tender, put a clean cold cloth to the area for about 5 to 10 minutes – this may help to soothe your baby. After the MMR ... Meningitis in newborns can be either early or late onset. Early onset occurs within the first week after birth for babies born at term, and in the first 72 hours of life for those born preterm ...Meningitis is an inflammation of the protective layers surrounding your brain and spinal cord (meninges). Bacteria, viruses, fungi, parasites and non-infectious conditions can cause meningitis. Symptoms include fever, severe headache, neck stiffness, nausea, vomiting and light sensitivity. If you think you have meningitis, go to the ER immediately. Jun 21, 2021 · through feces, saliva, nasal mucus, sputum, and blister fluid. Epstein-Barr virus: This virus can spread. Trusted Source. through bodily fluids such as saliva. A person can also get it after organ ... Jun 15, 2023 · Meningitis is an infection of the protective membranes that surround the brain and spinal cord (meninges). It can affect anyone, but is most common in babies, young children, teenagers and young adults. Meningitis can be very serious if not treated quickly. It can cause life-threatening blood poisoning (septicaemia) and result in permanent ... In babies and toddlers, these additional symptoms may occur: swelling in the fontanelle; ... People of any age can get meningitis B. Over half of all cases occur in teenagers and young adults.Meningitis is an infection of the protective membranes that surround the brain and spinal cord (meninges). It can affect anyone, but is most common in babies, young children, teenagers and young adults. Meningitis can be very serious if not treated quickly. It can cause life-threatening blood poisoning (septicaemia) and result in permanent ...Enterovirus encephalitis (EVE) can present as meningoencephalitis (where it results in both inflammation of the brain and its lining), an illness similar to herpes simplex encephalitis, or a severe brainstem encephalitis. Symptoms can include lethargy, somnolence, altered consciousness, personality change, hallucinations, stiff neck, ataxia ...Enteroviruses can be spread when an infected person sneezes or coughs droplets into the air or on surfaces. A child may then breathe in droplets or touch a contaminated surface and touch their eyes, mouth, or nose. The viruses are treated with supportive care, such as fever or pain medicine, rest, and fluids.Enterovirus encephalitis (EVE) can present as meningoencephalitis (where it results in both inflammation of the brain and its lining), an illness similar to herpes simplex encephalitis, or a severe brainstem encephalitis. Symptoms can include lethargy, somnolence, altered consciousness, personality change, hallucinations, stiff neck, ataxia ...Meningitis is an infection of the protective membranes that surround the brain and spinal cord (meninges). It can affect anyone, but is most common in babies, young children, teenagers and young adults. Meningitis can be very serious if not treated quickly. It can cause life-threatening blood poisoning ( sepsis) and result in permanent damage ...Sep 21, 2021 · In infants, illness caused by group B strep can be within six hours of birth (early onset) — or weeks or months after birth (late onset). Signs and symptoms might include: Fever. Low body temperature. Difficulty feeding. Sluggishness, limpness or weak muscle tone. Difficulty breathing. Irritability. Jitteriness. Feb 8, 2011 · Newborn babies are immune to some diseases because they have antibodies they get from their mothers, usually before they are born. However, this immunity lasts a few months. Most babies do not get protective antibodies against diphtheria, whooping cough, polio, tetanus, hepatitis B, or Hib from their mothers. Herpes meningoencephalitis is an infection of the brain and brain covering (meninges) caused by the herpes simplex virus. It is a medical emergency that requires treatment right away. Symptoms can include headache, fever, changes in consciousness, confusion, neck stiffness, sensitivity to light, seizures, and changes in mood, personality, or ... Feb 6, 2023 · Meningitis is an infection of the membranes that cover the brain and spinal cord. While meningitis affects people in all age groups, children 2 and younger are most at risk. Without prompt treatment, infants with meningitis can suffer permanent brain damage or even death. Learn more about the causes, symptoms, and treatment of this dangerous ... Neonatal meningitis is an uncommon but serious disease, with an incidence of 0.1–0.4 per 1000 live births. 1, 2 It can have severe long term sequelae in 12–29% of survivors, 2– 8 and milder impairment of neurological function occurs in another 15–38%. 3– 5, 8 Cognitive impairment has been shown in some follow up studies of neonatal ...Meningitis is an inflammation of the meninges (meh-NIN-jeez), the membranes that cover the brain and spinal cord. Some types of meningitis (meh-nen-JYE-tis) can be dangerous and even life-threatening. Routine vaccinations can help prevent it. Quick treatment of meningitis usually is successful. So it's important to know what symptoms it can ...The MMR vaccine is very safe. Most side effects are mild and do not last long, such as: the area where the needle goes in looking red, swollen and feeling sore for 2 to 3 days; around 7 to 11 days after the injection, babies or young children may feel a bit unwell or develop a high temperature for about 2 or 3 daysThe ways a person can get meningitis depend on what has caused it. Causes include bacteria, viruses, fungi, parasites, amebas, trauma, and medications. Infants can also get bacterial meningitis ...Protecting newborns Seeing a doctor Meningitis is a condition that causes inflammation in the meninges, which protect the brain and spinal cord. Meningitis is most often caused by a virus or...Meningitis in children. Meningitis becomes more common in children as they grow older and reach high school and college ages. Symptoms of viral and bacterial meningitis in children are similar to ...Oct 13, 2021 · Herpes meningitis is a type of viral meningitis resulting from infection with a herpes virus. Three types of herpes virus can cause HM: herpes simplex virus 1, herpes simplex virus 2, and ... Younger kids will need a vaccine if they're at a greater risk of getting meningitis because they: Have complement component deficiency, a rare immune system disease. Have spleen damage or had ... Meningitis is an inflammation of the meninges (the membrane covering the brain and spinal cord). Meningitis is caused by either a bacterial infection or a viral infection. Bacterial meningitis can get worse very quickly. If your child is showing signs of meningitis, seek immediate medical attention. Most people recover from meningitis, although ...Younger kids will need a vaccine if they're at a greater risk of getting meningitis because they: Have complement component deficiency, a rare immune system disease. Have spleen damage or had ...Meningitis is a disease caused by an inflammation of the meninges, the membranes that surround the brain and spinal cord. It's usually caused by a virus, although it can be caused by bacteria, a fungus, or tuberculosis. Treatment for meningitis depends on the specific cause of the disease. Vaccinations can prevent or minimize the incidence of ...Younger kids will need a vaccine if they're at a greater risk of getting meningitis because they: Have complement component deficiency, a rare immune system disease. Have spleen damage or had ... Almost half of neonatal sepsis survivors return to the hospital at least once after recovery. Some babies develop an infection of the membranes surrounding their brain called meningitis. Newborns who have this condition may develop serious symptoms and side effects, including: Extreme sluggishness (lethargy).May 1, 2003 · Neonatal meningitis is an uncommon but serious disease, with an incidence of 0.1–0.4 per 1000 live births. 1, 2 It can have severe long term sequelae in 12–29% of survivors, 2– 8 and milder impairment of neurological function occurs in another 15–38%. 3– 5, 8 Cognitive impairment has been shown in some follow up studies of neonatal ... Spread to others. People spread meningococcal bacteria to other people by sharing respiratory and throat secretions (saliva or spit). Generally, it takes close (for example, coughing or kissing) or lengthy contact to spread these bacteria. Fortunately, they are not as contagious as germs that cause the common cold or the flu. Here we offer helpful, doctor-approved info about fever, coughs, colds, flu, rashes, allergies, and many other health concerns. Explore our guides to doctor visits, vaccines, and medication, get advice on teething and dental care, and learn how to keep your child safe at home and beyond. Photo credit: iStock.com / FatCamera.Feb 8, 2011 · Newborn babies are immune to some diseases because they have antibodies they get from their mothers, usually before they are born. However, this immunity lasts a few months. Most babies do not get protective antibodies against diphtheria, whooping cough, polio, tetanus, hepatitis B, or Hib from their mothers. Two serious bacterial infections in a two-year period (meningitis, blood infection, or pneumonia) Swelling of the parotid gland (salivary glands located in front of the ear) Oral thrush that lasts for more than two months. A yeast infection that occurs in the digestive track or lungs. Constant or recurring sinus infections. Constant or ... Meningitis is acute or chronic inflammation of the protective membranes covering the brain and spinal cord, collectively called the meninges. The most common symptoms are fever, headache, and neck stiffness. Other symptoms include confusion or altered consciousness, nausea, vomiting, and an inability to tolerate light or loud noises.Jul 6, 2023 · Meningitis during the neonatal period is a potentially devastating condition with dire long-term consequences. Despite advances in preventive and critical care medicine, bacterial meningitis continues to have an adverse outcome rate of 20 to 60% among its survivors.[1] Although the incidence and mortality have declined over the past few decades, it remains challenging to diagnose due to ... Meningitis is a disease caused by an inflammation of the meninges, the membranes that surround the brain and spinal cord. It's usually caused by a virus, although it can be caused by bacteria, a fungus, or tuberculosis. Treatment for meningitis depends on the specific cause of the disease. Vaccinations can prevent or minimize the incidence of ...Oct 19, 2021 · sensitivity to light. confusion. seizures, or fits. Although fever is one of the most telling signs of meningitis, it is often absent in babies younger than 3 months old. Babies and toddlers may ... Extreme fatigue. Irritability. Blue color to the skin. Babies with group B strep bacteria could get serious complications like these: Pneumonia -- a lung infection. Meningitis -- inflammation in ... Jun 15, 2023 · Meningitis is an infection of the protective membranes that surround the brain and spinal cord (meninges). It can affect anyone, but is most common in babies, young children, teenagers and young adults. Meningitis can be very serious if not treated quickly. It can cause life-threatening blood poisoning (septicaemia) and result in permanent ... An overview of immunizations for kids ages 4 to 6 years old. DTaP – The fifth and final diphtheria, tetanus and pertussis vaccine is recommended when your child is between 4 and 6 years old. IPV – The poliovirus vaccine is another four-dose series. The dosing schedule for the polio vaccine recommends the first shots at 2 months, 4 months ...To help comfort your baby, you can: give them a cuddle; offer them extra cool drinks (if you're breastfeeding, your child may feed more often) take them for a walk in the fresh air; If the injection site is red, swollen or tender, put a clean cold cloth to the area for about 5 to 10 minutes – this may help to soothe your baby. After the MMR ...Severe viral meningitis may also be treated in hospital. Treatments include: antibiotics given directly into a vein. fluids given directly into a vein to prevent dehydration. oxygen through a face mask if there are any breathing difficulties. steroid medication to help reduce any swelling around the brain, in some cases. People with meningitis ... Sep 15, 2022 · About 2,000 cases of serious disease (bacteremia, pneumonia with bacteremia, and meningitis) occur each year in children under 5 years old in the United States. These illnesses can lead to disabilities like deafness, brain damage, or loss of arms or legs. About 1 out of 12 children who get pneumococcal meningitis dies.
Oct 19, 2021 · sensitivity to light. confusion. seizures, or fits. Although fever is one of the most telling signs of meningitis, it is often absent in babies younger than 3 months old. Babies and toddlers may ... . Gogo no kouchou junai mellow yori 1
Infant development milestones for a 7- to 9-month-old include sitting, standing and laughing. By Mayo Clinic Staff. As your baby becomes more mobile and curious, infant development takes off. It might seem that your baby learns something new every day. Understand these next milestones and what you can do to promote your baby's growth.What causes meningitis in a child? Meningitis is most often caused by a bacterial or viral infection that moves into the cerebral spinal fluid (CSF). CSF is the fluid that protects and cushions the brain and spinal cord. A fungus or parasite may also cause meningitis. This is more common only in children with a weak immune system.Babies who get group B strep a week or so after birth may have signs such as: Decreased movement of an arm or leg. Pain with movement of an arm or leg. Breathing problems. Fever. Red area on the face or other part of the body. Pregnant women may have group B strep without symptoms. When they have symptoms, these may include: Having to urinate ... Viral meningitis is the most common type, but it’s not usually life-threatening. The enteroviruses that cause meningitis can spread through direct contact with saliva, nasal mucus, or feces ...Babies who get group B strep a week or so after birth may have signs such as: Decreased movement of an arm or leg. Pain with movement of an arm or leg. Breathing problems. Fever. Red area on the face or other part of the body. Pregnant women may have group B strep without symptoms. When they have symptoms, these may include: Having to urinate ... Almost half of neonatal sepsis survivors return to the hospital at least once after recovery. Some babies develop an infection of the membranes surrounding their brain called meningitis. Newborns who have this condition may develop serious symptoms and side effects, including: Extreme sluggishness (lethargy).Enterovirus encephalitis (EVE) can present as meningoencephalitis (where it results in both inflammation of the brain and its lining), an illness similar to herpes simplex encephalitis, or a severe brainstem encephalitis. Symptoms can include lethargy, somnolence, altered consciousness, personality change, hallucinations, stiff neck, ataxia ...Trust your instincts and do not wait for all the symptoms to appear or until a rash develops. Symptoms of meningitis and sepsis include: a high temperature. cold hands and feet. vomiting. confusion. breathing quickly. muscle and joint pain. pale, mottled or blotchy skin (this may be harder to see on brown or black skin) Here we offer helpful, doctor-approved info about fever, coughs, colds, flu, rashes, allergies, and many other health concerns. Explore our guides to doctor visits, vaccines, and medication, get advice on teething and dental care, and learn how to keep your child safe at home and beyond. Photo credit: iStock.com / FatCamera. Sep 15, 2022 · About 2,000 cases of serious disease (bacteremia, pneumonia with bacteremia, and meningitis) occur each year in children under 5 years old in the United States. These illnesses can lead to disabilities like deafness, brain damage, or loss of arms or legs. About 1 out of 12 children who get pneumococcal meningitis dies. Babies are at high risk of bacterial meningitis and often have symptoms that mimic other illnesses. Parents should be on the lookout for meningitis symptoms such as high fever, stiff neck, rigid extremities, vomiting, diarrhea, or a skin rash with lots of pinpoint-sized dots ( petechiae ) that are associated with invasive meningococcal disease .The MenB vaccine will protect your baby against infection by meningococcal group B bacteria. These bacteria are responsible for about 9 in every 10 meningococcal infections in young children. Meningococcal infections can be very serious, causing meningitis and sepsis. This can lead to severe brain damage, amputations and, sometimes, death.Pneumococcal disease can cause infections of the ears, lungs, blood, and brain. Pneumococcal disease is an illness caused by bacteria called pneumococcus. It is often mild, but can cause serious symptoms, lifelong disability, or death. Children younger than 2 years old are among those most at risk for the disease..