Flu is a contagious respiratory illness caused by influenza viruses. This means people with flu can spread it to others. Flu infects parts of the body that help us breathe like the nose, throat, and lungs.
Tdap Vac & Friends visit the classroom to sing about whooping cough prevention.
Listen to true personal stories.
My true story »
If you have a question that isn't answered in Q & A, ask us!