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US FDA claims Johnson & Johnson Vaccine as being highly effective

February 24 2021, 7:25 pm

Washington, Feb 24 (AFP/APP): The Johnson & Johnson vaccine is highly effective against severe Covid-19, including against the South African and Brazil variants, new documents released by the US Food and Drug Administration showed Wednesday.

In large clinical trials, the vaccine efficacy against severe disease was 85.9 percent in the United States, 81.7 percent in South Africa, and 87.6 percent in Brazil.