Amid a recent spike in infections involving highly transmissible coronavirus variants, Japan has revised its quarantine protocol for incoming travelers, adding Indonesia, Kyrgyzstan and Zambia to its list of countries covered by more rigorous measures.

From Friday, people who have recently been in those countries are required to observe a 10-day quarantine in government-designated facilities and undergo multiple tests for COVID-19 — on arrival, as well as the 3rd, 6th and 10th days of the self-isolation period. Only those who test negative at the end of their stay can relocate to a place of their choosing for the remainder of the standard 14-day quarantine period.

With the exception of those associated with the Olympics, all people, including Japanese citizens and foreign residents, as well as those granted permission to enter Japan under special circumstances, are required to self-isolate for 14 days after entering the country.