Over 4 million administered COVID booster shot Local On Dec 31, 2021 Over 4 million administered COVID booster shot 0 28 Share Local Tags: COVID19 coronavirus Sri Lanka Vaccine Booster Pfizer 130,644 people have received the Pfizer booster (third) dose on Thursday. In total 4,006,720 people have been administered the Booster dose since October, said the Epidemiology Unit of the Ministry of Health. Friday, December 31, 2021 – 10:40 0 28 Share FacebookTwitterGoogle+ReddItWhatsAppPinterestEmail