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Johnson & Johnson's single-dose COVID-19 vaccine is 85% effective against severe disease, overall efficacy is 66%

Updated : January 29, 2021 10:12 PM IST

The efficacy of Johnson & Johnson's vaccine varied from region to region as it was 72% effective in the US, 66% in Latin America and just 57% in South Africa
Johnson & Johnson's single-dose COVID-19 vaccine is 85% effective against severe disease, overall efficacy is 66%
Published : January 29, 2021 10:09 PM IST

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