COLORADO, USA — Clinical trials in the United Kingdom are currently underway to study the efficacy effects of mixing two different COVID-19 vaccines, according to CNBC. While the CDC stated it is OK ...
PORTLAND, Ore. (KOIN) – As more people become eligible for COVID-19 booster shots, health officials say it is okay to mix and match vaccines. Since the initial rollout of the vaccines ten months ago, ...
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