Wickramasinghe, S.S.; Konarasinghe, K.M.U.B.
(University of Ruhuna, Matara, Sri Lanka, 2022-03-02)
Since December 2019, the novel coronavirus disease (COVID-19) has spread from China and
around the world. In Sri Lanka, as of December 29, there had been 586,183 confirmed cases
and 14,944 deaths due to this viral ...