It'll join two other coronavirus vaccines -- Pfizer's and Moderna's -- on the US market. But unlike those vaccines, Johnson & Johnson's requires only a single dose.
Corinne Reichert, CNET
Sat, 02/27/2021 - 5:34pm
It'll join two other coronavirus vaccines -- Pfizer's and Moderna's -- on the US market. But unlike those vaccines, Johnson & Johnson's requires only a single dose.