Young children are highly sensitive to viruses. Their resistance to infectious agents may still be low, just as their exposure to them increases. A virus can enter the body in many ways besides food, fluids, and bites from insects or animals. The infectious secretions from viruses are passed on to others by coming in contact with them. They can be inhaled from airborne particles from coughs and sneezes. Touching or holding hands with an infected person and then rubbing the eyes or nose is a common way to "catch" a virus. Viral particles may be on surfaces of toys, doorknobs, tables or telephones.

There are approximately 200 known viruses that cause disease in humans. Over 100 of these cause "colds". Viruses attack different parts of the body to produce different problems. Some cause a sore throat, cough, runny nose, headache, or muscle ache. Others cause abdominal symptoms such as nausea, cramping and diarrhea. Other examples of viral infections in children include specific viral syndromes such as:
* chicken pox,
* measles,
* mumps,
* pneumonia,
* polio,
* diphtheria,
* fifth disease,
* roseola,
* warts, and
* the flu.

Many viruses are hard to destroy without damaging or killing the living cells they infect. This is why drugs are not used to control them. Although many viral diseases can be prevented by immunization.

Colds, flus and sore throats often recur in children. Here are some self care tips:
* rest in bed,
* drink plenty of fluids,
* take acetaminophen to relieve fever and discomfort,
* eat lightly; select what is appealing to your child, and
* keep your child home until there's been no fever for over 24 hours.

Make sure to keep all appointments for your child's vaccinations. A healthy diet and plenty of exercise and rest will prepare your child to fight off viral infections. Ask your child's health care provider about annual flu shots.

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