tokyo the japanese government has decided to impose restrictions on travel from malawi mozambique and zambia over the concern about the omicron coronavirus strain the kyodo news agency reported on saturdaythe country already restricted entry from eswatini zimbabwe lesotho namibia and botswana on friday everyone arriving from these nations has to spend ten days in quarantine at specially designated facilitiesthe world health organization who identified on friday the new south african strain as one of concern as it is reported to carry a high number of mutations 32 which possibly makes it more transmissible and dangerous the who has dubbed it omicron the 15th letter of the greek alphabet