A booster dose for the single-shot Johnson & Johnson vaccine increases protection against getting severely ill from COVID-19, according to data released by the company Tuesday morning. https://t.co/z1dLrLjxiZ— NPR (@NPR) September 21, 2021
A booster dose for the single-shot Johnson & Johnson vaccine increases protection against getting severely ill from COVID-19, according to data released by the company Tuesday morning. https://t.co/z1dLrLjxiZ