Tag Archives: Pfizer Corona vaccine

What does Pfizer vaccine 90% effective against Corona mean?

[ad_1] The Pfizer Corona vaccine candidate is promoting success with up to 90% efficacy, far superior to the typical efficacy of the seasonal flu vaccine, which was 29% effective in the 2018-2019 flu season, according to the CDC. Data from the Centers for Disease Control and Prevention (CDC) showed that …

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