Johnson and Johnson’s single-dose coronavirus vaccine 66 per cent effective overall: study

Jan 29, 2021 | INVESTING

Johnson & Johnson’s long-awaited vaccine appears to protect against Covid-19 with just one shot – not as strong as some two-shot rivals but still potentially helpful for a world in dire need of more doses.J&J said on Friday that in the US and seven other countries, the single-shot vaccine was 66 per cent effective overall at preventing moderate to severe illness, and much more protective – 85 per cent – against the most serious symptoms.There was some geographic variation. The vaccine worked…

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