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  • UP NEXT

    TODAY anchors get their flu shots live on air

    04:58
  • Flu activity remains high with 34 million cases, 20,000 deaths

    00:32
  • Flu is hitting children hard this season: What you need to know

    04:01
  • 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
  • Will going outside with wet hair make you catch cold? Dr. Oz says…

    04:23
  • How to protect your children from the flu

    02:21
  • Flu leaves 4-year-old Iowa girl blind

    00:29
  • RSV could be dangerous to young children, doctors warn

    02:02
  • Post-holiday flu cases are spiking: How to protect yourself

    01:43
  • Flu cases on the rise this season in 25 states

    00:17
  • Holiday flu is spreading: Learn how to protect yourself

    02:33
  • Flu activity on the rise in US with 2.6 million reported cases

    00:28
  • New flu virus is spreading: What you need to know

    01:44
  • Flu cases are on the rise: How to protect yourself and your family

    01:49
  • Flu season picking up earlier than normal, CDC says

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

    04:13
  • TODAY team gets flu shots live in Studio 1A

    07:01
  • 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

How to protect yourself and your family from the flu

01:48

This year has turned out to be one of the deadliest flu seasons in the recent years. NBC News medical correspondent Dr. John Torres discusses whether you can get the flu twice, how long the season will last, and the most common strains out there, including influenza A, H3N2 and influenza B.