Can COVID-19 vaccines be mixed and matched? The COVID-19 vaccines rolling out in the United States, the United Kingdom and other parts of the world so far require two shots given a few weeks apart. In the U.S. where Pfizer and Moderna vaccines are being distributed, health officials say the vaccines are not interchangeable. But without any studies, vaccine doses should not be mixed, said Naor Bar-Zeev, a vaccine expert at Johns Hopkins University. Submit them at: [email protected]Read previous Viral Questions:Should I get a COVID-19 vaccine if I’ve had the virus?

Source: Egypt Independent January 21, 2021 07:52 UTC