8 ?????? 2021/????? ????? ??????? ???????/ ????? ??????? ??????? ?? ?????? ?????????? ?????? ?????? ??????? ??????? ???????? ????) ?????? ???? ???? ??? ???? ("CDC" ?? ??? 7 ?????? ??????? ??? "CDC" ??????? ?????? ?? ????? ????? ?????????? ?? ???? ?????? ???? ???????? ????? ????? ????? ??????? ?? ??????? ??????? ?????????? ??? ???? ?? 5 ???? ?? ????????? ?????? ???????.

????? ????????? ???? "CDC" ?? 17 ????? ?? ????? ?????? ????? ?????? ?????? ??? ??????? ?? ????? ??????? ????????. ?????? ????? ????????? ????????? ???? ?? ??????? ???? ???? ?? ????? ????????? ???????????? ?????? ????????? ??????? ?? ????? 2021? ?? ?????? ???? ?? ?????? ???? ????? ????? ?????? ?????? ?????? ?????? ?????? ?????? ????? ????? ?? ????? ????? ??????? ????? ?? ???? ???? ?????? ?????? ??????? ?? ???? ????? ??????? ???????? ?? ??????? ????????? ?????? ????? ??????? ???????? ?????? ???????.

?????? ???????? ???????? ????? ???? ????? ??? ?????? ??????? ?? ???? ??? ???? ??????? ??? 0 ?-18 ???? ?????? ??????? ??????? ?? ???? ??? ???? ??????? ??? -18 ?-40 ???? ?????. ?????? ???????? ???????? ????? ???? ??????? ???????? -18 ???? ????? ??? ????? ????? ???????????? ????????? ??????? ?????????? ??????????. ??? ????? ???????? ???????? ????? ???? ??????? ???????? -40 ℃ ??? ????? ????? ???????????? ????????? ??????? ?????????? ??????????? ???????? ?????????? ??????? ?????????????.