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 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 one-shot vaccine candidate was found to be 85% effective against the most serious symptoms of COVID-19.