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    Experts warn of a dangerous flu season for children

    02:48
  • Flu cases are high this season. Doctors say this is part of the reason why

    02:01
  • Covid and flu cases increasing across the country

    02:32
  • Doctors weigh in as cases of common cold on the rise this summer

    01:55
  • Flu vaccinations can provide broader protections against different strains

    02:45
  • Suspected flu outbreak sickens hundreds of San Diego students

    02:00
  • Late season flu rages throughout U.S.

    07:42
  • Flu outbreak sickens hundreds at University of Michigan

    01:50
  • With flu season still in full swing, how well is this year’s vaccine working?

    01:58
  • Flu deaths on the rise with children particularly at risk

    00:29
  • Flu is widespread across 44 states, CDC says

    01:19
  • Flu activity on the rise in US with 2.6 million reported cases

    00:28
  • Flu season picking up earlier than normal, CDC says

    00:22
  • Medical roundup: Flu season, toxic chemicals in baby foods

    04:13
  • New concerns as vaping-related illnesses soar and flu season begins

    00:59
  • Measles and the flu: How to protect yourself and your family

    03:48
  • Flu season is longest in a decade: Tips to stay healthy

    01:56
  • CDC warns flu cases are on the rise: Here’s what to know

    01:35
  • New report finds low flu shot rates last year

    00:38
  • What is AFM? What parents should know about polio-like disease

    01:56

Why This Year's Flu Vaccine May Not Work for You

01:35

The CDC warned today that a strain of the flu virus mutated this year, making the current vaccine less effective.