Influenza vaccine

A young woman shows off her flu shot after receiving vaccine at a local drug store.

Avian flu vaccine development by reverse genetics technique

Influenza vaccines, also known as flu shots, are vaccines that protect against influenza. A new version of the vaccine is developed twice a year as the influenza virus rapidly changes. While their effectiveness varies from year to year, most provide modest to high protection against influenza. They decrease the number of missed days of work by a half day on average. Vaccinating children may protect those around them but the effectiveness of the vaccine in those over 65 years old is unknown because the evidence for this group is poor.

单词	Vaxigrip
释义	Vaxigrip 英语百科 Influenza vaccine Influenza vaccines, also known as flu shots, are vaccines that protect against influenza. A new version of the vaccine is developed twice a year as the influenza virus rapidly changes. While their effectiveness varies from year to year, most provide modest to high protection against influenza. They decrease the number of missed days of work by a half day on average. Vaccinating children may protect those around them but the effectiveness of the vaccine in those over 65 years old is unknown because the evidence for this group is poor.
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Vaxigrip

Influenza vaccine