Johnson & Johnson's single-shot vaccine proves effective in trial, but less so than Moderna, Pfizer
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Johnson & Johnson's single-shot vaccine proves effective in trial, but less so than Moderna, Pfizer
Johnson & Johnson says its single-shot COVID-19 vaccine is effective in preventing severe cases of COVID-19, but not as well as other two-shot variants of the vaccine that are already on the market.
Johnson & Johnson's vaccine appears to protect against COVID-19 with just one shot. Not as strong as some rivals but it's still potentially helpful for a world in dire need of more doses. Betty Yu..