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1. www.cdc.gov › flu › preventWho Should and Who Should NOT Get a Flu Vaccine | CDC - ...

   www.cdc.gov › flu › prevent

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   2023年8月25日 · Everyone should receive a flu vaccine that is appropriate for their age and health status. For people younger than 65 years, there is no preference for any one vaccine over another. Beginning with the 2022-2023 flu season, there are three flu vaccines that are preferentially recommended for people aged 65 and older.

2. www.cdc.gov › flu › aboutHow Flu Spreads | CDC - Centers for Disease Control and ...

   www.cdc.gov › flu › about

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   2024年3月22日 · People with flu can spread it to others. Most experts think that flu viruses spread mainly by droplets made when people with flu cough, sneeze, or talk. These droplets can land in the mouths or noses of people who are nearby or possibly be inhaled into the lungs.