Covid-19 Vaccines Yield Breakthroughs in Long-Term Fight Against Infectious Disease - The Wall Street Journal

Johnson & Johnson’s Covid-19 vaccine, which was authorized Saturday for use in the U.S., is at the vanguard of a class of shots designed to mobilize a person’s immune defenses against the disease.

It will be the first Covid-19 vaccine administered in the U.S.

New vaccine technologies spurred by the pandemic are leading efforts to combat Covid-19 and herald a new arsenal of weapons for fighting lethal viruses in the future, infectious-disease researchers said, another example of how the fight against Covid has supercharged technological development