J&J says vaccine effective against Covid, though weaker against South Africa variant

Johnson & Johnson says a single-shot of its vaccine is 85 percent effective at preventing severe Covid-19 cases, but is weaker against South African variant. The vaccine could be authorized by the FDA by the end of February.Jan. 29, 2021

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http://allcnaprograms.com/jj-says-vaccine-effective-against-covid-though-weaker-against-south-africa-variant/