#asktheexperts what is the treatment for h3n2 in 2years boy,i took him to doctor he said its viral, but iam worried .

A. Most children recover from the flu within a week. But they may still feel very tired for as long as 3 to 4 weeks. A cold is usually mild and often goes away after a few days. The flu can cause severe symptoms and lead to problems such as pneumonia and other complications