Pfizer's COVID-19 vaccine is less effective at preventing Delta infections than other variants, but still protects against severe illness, preliminary Israeli study says

Pfizer's COVID-19 vaccine is less effective at preventing Delta infections than other variants, but still protects against severe illness, preliminary Israeli study says

Business Insider

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Effectiveness of the Pfizer vaccine dropped from 94% to 64% over the last month in Israel, suggesting it is less protective against the Delta variant.

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