කොරෝනා එන්නත සහ එහි වැදගත්කම ගැන දැනගනිමු.
?????? ????? ??? ???? ???? ??? ?????? ?????? ????? ????? ???? ?????? ???? ???? ????????? ??????? (Critical tool) ??? ????????? ???. ????????, ???? ?????? ??? ?????? ??? ??????? ????????? (Effective testing) ?? ?????????? ??????????? (Prevention measures) ??? ???? ?????? ????? ?????, ?????? ?????? ????? ????? ???? ?????? ????? ????? ?????????? ??????? ??. ?????, ????? ??? ?????, ???? ?????? ??? ??? ? ?????? ?????? ??????? ??????? ?????? ????? ????? ??????? ???????? ??????? ??? ????? ??????? ??? ???? ?????? ??????? ????. ?????? ?????? ??????? ?? ????????????? ??????? ?????? ????? ???????? ????? ???????? ??? ??? ???? ????? ????? ??????? ????? ??????? ??????? ??????….
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