Special flu shot for older people has more antigen

Dear Doctor: Our 76-year-old mom is nervous about getting the special Fluzone shot for older people because a neighbor told her it will make her sick. Is that true? What makes flu shots so important?

Dear Reader: Influenza, commonly referred to as

the flu, is a seasonal respiratory illness with symptoms similar to those of the common cold. Both illnesses are caused by viruses, but infection with the…