19???100 ??? ????? ????? ?????? ?????? ?? ??????? ??? ??????? ????? ?????? ????? ????? ????? ???????? ??? ?????? ?? ???????? ?? ?????? ??? ?????? ??????.Variations to COVID-19 surveillance over the past five years are already regular, but integration is variable across areas. Maintain up to date on the latest info from trustworthy sources, such as