Covid-19 Vaccine Mixes

Covid-19 Vaccine Mixes

A woman holds a small bottle labelled with a "Coronavirus COVID-19 Vaccine" sticker and a medical syringe in this illustration taken October 30, 2020. REUTERS/Dado Ruvic/File Photo

Mixing Covid vaccines gives good protection, UK study suggests

The Com-Cov trial looked at the efficacy of either two doses of Pfizer, two of AstraZeneca, or one of them followed by the other