Lancet Study: Pfizer BioNTech Vaccine Efficacy Wanes After 6 Months

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Tuesday, October 5th, 2021 2:12pm

By Ciara Noble @niaracoble

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Stock image: Frauke Riether/Pixabay

90% effective in prevention of hospital admissions

Two doses of the Pfizer Covid-19 vaccine are 90% effective in preventing Covid-19 hospital admisisons, for at least six months.

The findings were published in The Lancet.

The effectiveness of the Pfizer-BioNTech vaccine, in protecting against hospital admissions, also includes all-known variants of the virus.

Researchers found vaccine effectiveness against all variants waned during the six-month study period.

They say their study underscores the importance of increasing vaccination rates around the world.

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