19???100???400???200???? ??? ????? ?? ??? ????? ?? ??? ?? ??? ?? ?????? ?????? ??????? ?????? ?? ???? ??? ??? ?????. ????? ????? ??????? ?????? ?? ????? ?????? ?????? ??????? ??? ?????? ????? ???????.????? ??????? ??????? ??? ??????? ?? ????? ?? ?????? ?? ???Yes, any condition in which people are in shut proximity to one another for very long perio