South Korea signs an agreement with Pfizer to purchase 30 million doses of the Pfizer–BioNTech COVID-19 vaccine in 2022 as part of a plan to administer 50 million "booster" doses of the vaccine. (The Korea Herald) COVID-19 pandemic in South Korea, COVID-19 vaccination in South KoreaCOVID-19 pandemic in AsiaCOVID-19 pandemic link embed save