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.
Coronavirus
Associated Press: One-dose shot offers good protection, new hope against virus

Pharmaceutical vials made by German glass company Schott are pictured at the company's headquarters in Mainz, western Germany, on Nov. 20, 2020.