For COVID-19 survivors, one shot may be enough, preliminary studies show
COVID-19 survivors who have gotten a first dose of COVID-19 vaccine are generating immune responses that might render a second shot unnecessary, potentially freeing up limited vaccine supply for more people, several new research papers suggest.
The research, while preliminary, found that the previously infected people generated protection against the disease quickly and at dramatically higher levels after a first shot of the current two-shot regimens when compared with people who were vaccinated but hadn’t been sick.
“Everyone should get vaccinated. Not everybody needs two shots,” said Viviana Simon, a professor of microbiology at New…