'Crucial step forward' in the search to cure the common cold

Photos: Common childhood illnesses
Common colds are the main reason that children miss school, according to the Centers for Disease Control and Prevention. Most people recover within seven to 10 days, but children are likely to experience more colds than adults. Check out the ultimate cold and flu survival guide, and click through to learn more about other common childhood illnesses:
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Photos: Common childhood illnesses
Respiratory syncytial virus, known as RSV, is a respiratory virus that infects the lungs and breathing passages, according to the CDC. It's a mild, cold-like illness for most healthy people, but can be dangerous for infants and a cause of bronchiolitis and pneumonia. It can spread through coughing and sneezing and can survive on hard surfaces, such as crib rails, for hours.
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Photos: Common childhood illnesses
Ear infections can be caused by viruses or bacteria, and they shouldn't always be treated with antibiotics. In fact, one study found that antibiotics do little to speed recovery while increasing risk of other side effects.
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Photos: Common childhood illnesses
Croup is caused by a virus and causes swelling in the trachea and larynx. It's most common in children 1 to 3, according to the American Academy of Family Physicians, and can be spread through coughing, sneezing, through unwashed hands, shared toys or utensils. Among symptoms, it's known for a barking cough.
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