Seneviratne, S.L.Jayarajah, U.Abeysuriya, V.Rahman, A.Wanigasuriya, K.2021-01-042021-01-042020Journal of the Ceylon College of Physicians, 51(2):p.120-131https://dl.nsf.gov.lk/handle/1/25210COVID-19VaccineSARS-CoV-2CoronavirusCoronavirus disease 2019Article