UK trial to mix and match Covid vaccines to try to improve potency
4:01pm PST - December 7th, 2020 pfizer - Google News (UK)Pilot planned for January will give subjects a shot of both Oxford/AstraZeneca and Pfizer/BioNTech versions
Pilot planned for January will give subjects a shot of both Oxford/AstraZeneca and Pfizer/BioNTech versions