19???100 ??? ????? ????? ?????? ?????? ?? ??????? ??? ??????? ????? ?????? ????? ????? ????? ???????? ??? ?????? ?? ???????? ?? ?????? ??? ?????? ??????.Changes to COVID-19 surveillance over the past five years are already reliable, but integration is variable throughout locations. Stay property and self-isolate for 10 days from symptom onset, plu