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S.Korea says to run mix-and-match trial of COVID-19 vaccines


South Korea on Thursday said it will conduct a clinical trial that mixes COVID-19 vaccine doses developed by AstraZeneca Plc with those from Pfizer Inc and others. The decision comes as a growing number of countries look into using different COVID-19 vaccines for first and second doses amid supply delays and safety concerns that have slowed their vaccination campaigns.

Yahoo News UK - May 20, 2021

View the full story here: https://uk.news.yahoo.com/korea-says-run-mix-match-112105143.html