Influenza Viruses Influenza Viruses
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Recommended composition of influenza virus vaccines for ...
www.who.intFeb 26, 2021 · Influenza A(H1N1)pdm09 viruses predominated in countries in Africa (Egypt, other Niger and Togo), Asia (the Democ ratic People’s Republic of Korea) and Europe (Ukraine). Influenza B . Globally, more influenza B viruses were detected than influenza A viruses during this period and influenza B viruses have predominated since November 2020.
This is an official CDC HEALTH ADVISORY
emergency.cdc.govinfluenza viruses and other influenza viruses that might circulate later in the season. Influenza antiviral medications are an important adjunct that should be used in addition to influenza vaccination. While vaccination is the primary means for preventing influenza, antiviral medications are a second line of ...
Surveillance of influenza and other respiratory viruses in ...
assets.publishing.service.gov.ukSurveillance of influenza and other respiratory viruses in the UK: Winter 2019 to 2020 8 the schools’ programme, meaning that from the 2019 to 2020 season all children of primary school age are eligible. Additional influenza vaccination activity for children was also carried out with strategies varying by country of the UK.
2021-2022 Influenza Vaccination Recommendations and ...
emergency.cdc.govRIV Recombinant Influenza Vaccine—contain recombinant HA LAIV Live Attenuated Influenza Vaccine—contains live viruses Numbers indicate the number of influenza virus antigens: 3 for trivalent: an A(H1N1), an A(H3N2), and one B (from one lineage) 4 for quadrivalent: an A(H1N1), an A(H3N2), and two Bs (one from each lineage)
Influenza: Questions and Answers
www.immunize.orgInfluenza is caused by influenza viruses. Two types of influenza, A and B, cause outbreaks in people. Both types can cause mild to severe illness in all age groups. While influenza A viruses infect humans and other ani-mals, influenza B viruses affects only humans.