Britain to try mix-and-match COVID-19 vaccinations
How to motivate people to comply voluntarily with pandemic restrictions
5 January 2021EXPLAINER: Why the smallest state has a big virus challenge
5 January 2021Britain to try mix-and-match COVID-19 vaccinations
If a second dose of the first COVID-19 vaccine is not available or the maker is not known, then another vaccine may be used, new British guidelines say, The New York Times reported Sunday.
