Can COVID-19 Vaccines Be Mixed and Matched?

Can COVID-19 Vaccines Be Mixed and Matched?

Can COVID-19 vaccines be mixed and matched? Health officials say both doses should be of the same vaccine. 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…
Can COVID-19 Vaccines Be Mixed and Matched?