Pedestrians wearing face masks are seen on a street in Tokyo, Japan, Jan. 7, 2021. Japan on Wednesday reported 6,001 new daily COVID-19 cases, marking the first time the number has topped the 6,000-mark and booking the highest number of daily infections on record since the outbreak of the pandemic here. (Xinhua/Du Xiaoyi)

Pedestrians wearing face masks are seen on a street in Tokyo, Japan, Jan. 7, 2021. Japan on Wednesday reported 6,001 new daily COVID-19 cases, marking the first time the number has topped the 6,000-mark and booking the highest number of daily infections on record since the outbreak of the pandemic here. (Xinhua/Du Xiaoyi)

Pedestrians wearing face masks are seen on a street in Tokyo, Japan, Jan. 7, 2021. Japan on Wednesday reported 6,001 new daily COVID-19 cases, marking the first time the number has topped the 6,000-mark and booking the highest number of daily infections on record since the outbreak of the pandemic here. (Xinhua/Du Xiaoyi)

Pedestrians wearing face masks are seen on a street in Tokyo, Japan, Jan. 7, 2021. Japan on Wednesday reported 6,001 new daily COVID-19 cases, marking the first time the number has topped the 6,000-mark and booking the highest number of daily infections on record since the outbreak of the pandemic here. (Xinhua/Du Xiaoyi)

Pedestrians wearing face masks are seen on an escalator in Tokyo, Japan, Jan. 7, 2021. Japan on Wednesday reported 6,001 new daily COVID-19 cases, marking the first time the number has topped the 6,000-mark and booking the highest number of daily infections on record since the outbreak of the pandemic here. (Xinhua/Du Xiaoyi)

Pedestrians wearing face masks are seen on a street in Tokyo, Japan, Jan. 7, 2021. Japan on Wednesday reported 6,001 new daily COVID-19 cases, marking the first time the number has topped the 6,000-mark and booking the highest number of daily infections on record since the outbreak of the pandemic here. (Xinhua/Du Xiaoyi)