Liyanage, A.; Darshana, I.L.A.N.; Ponnamperuma, T.T.; De Silva, J.; Rajakaruna, V.P.C.; Perera, B.; Amarasena, S.; Wijesinghe, C.J.; De Silva, P.V.
(Faculty of Medicine, University of Ruhuna, Matara, Sri Lanka, 2023)
Elderly are considered a high-risk group for COVID-19 due to
the occurrence of severe disease with higher mortality. High
prevalence of comorbidities and deprived access of routine
health care can make them particularly ...