Last Friday (25), the Butantan Institute introduced the first batch of influenza vaccines, with an updated version. This way, the new vaccines will have protection against the Darwin strain of influenza A (H3N2) virus. In all, 2 million doses have already been delivered to the Ministry of Health’s National Immunization Program (PNI).
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According to the institute, 80 million doses of the flu vaccination campaign still have to be delivered through April. In this campaign, the influenza vaccine, which will be distributed in the Unified Health System (SUS), is a trivalent vaccine. That is, it consists of H1N1 viruses, strain B and H3N2, of the Darwin subtype.
The influenza vaccination campaign reached 88.8% of the target audience.
The goal was to reach 90%. a Tweet embed States and municipalities have recommended extending vaccination to all residents until vaccine stocks run out
know more: https://t.co/RGocGcBwsD pic.twitter.com/OyZk3Uh4b6
– Ministry of Health (minsaude) July 6, 2020
In December last year, many Brazilian capitals ended up with a high incidence of influenza, mainly caused by the Darwin strain. This was not part of the vaccine used in the southern hemisphere last year.
Butantan on Friday (25th) began distributing the new version of the influenza vaccine to the Ministry of Health, expecting it to be delivered annually a month before. The vaccine does protect against the H3N2 Darwin virus. Check the video and access the link https://t.co/g4AZaroUmp. pic.twitter.com/KtnyrnZ5Wy
– Butantanoficial Institute February 25 2022
In addition, the phenomenon of an increase in the number of cases was also associated with a decrease in influenza vaccine coverage, in addition to a relaxation of the restrictive measures adopted to prevent COVID-19. In other words, less concern for the use of masks, hand hygiene and social distancing.
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