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Pfizer’s COVID-19 Vaccine 97% Effective Against Symptomatic Disease

FRIDAY, March 12, 2021 (HealthDay News) — Pfizer’s coronavirus vaccine is 97% effective in preventing symptomatic disease in actual use, which is better than previously thought.

The analysis of data gathered from Jan. 17 to March 6 from Israel’s vaccination campaign also showed that the vaccine is 94% effective against asymptomatic disease, CBS News reported.

“We are extremely encouraged that the real-world effectiveness data coming from Israel are confirming the high efficacy demonstrated in our Phase 3 clinical trial and showing the significant impact of the vaccine in preventing severe disease and deaths due to COVID-19,” said Luis Jodar, senior vice president and chief medical officer of Pfizer Vaccines.

A previous real-world study found that the vaccine was 94% effective against symptomatic disease and 92% effective against asymptomatic disease, CBS News reported.

The new study comes on the one-year anniversary of the World Health Organization declaring COVID-19 a global pandemic. More than 525,000 Americans have died due to COVID-19 since the pandemic began, and over 2.6 million people have died worldwide, according to a Johns Hopkins tally.

Copyright © 2020 HealthDay. All rights reserved.

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