People wearing face masks to help curb the spread of the coronavirus in Osaka, western Japan, Monday, April 5, 2021. Osaka prefecture issued a special warning Wednesday, April 7, 2021 over the rapid upsurge of the coronavirus cases that has put the area's medical systems on the brink of collapse, requesting the cancellation of the Olympic torch relay on public roads. (Juntaro Yokoyama/Kyodo News via AP)

Osaka Gov. Hirofumi Yoshimura speaks next to a screen reading "medical emergency declaration" in Osaka, western Japan, Wednesday, April 7, 2021. Osaka prefecture issued a special warning Wednesday over the rapid upsurge of the coronavirus cases that has put the area's medical systems on the brink of collapse, requesting the cancellation of the Olympic torch relay on public roads. (Nobuki Ito/Kyodo News via AP)

Osaka Gov. Hirofumi Yoshimura crosses his arms during a meeting at the coronavirus countermeasures headquarters in Osaka, western Japan, Wednesday, April 7, 2021. Osaka prefecture issued a special warning Wednesday over the rapid upsurge of the coronavirus cases that has put the area's medical systems on the brink of collapse, requesting the cancellation of the Olympic torch relay on public roads. (Nobuki Ito/Kyodo News via AP)

People wearing face masks to help curb the spread of the coronavirus walk at downtown Umeda in Osaka, western Japan, Sunday, April 4, 2021. Osaka prefecture issued a special warning Wednesday, April 7, 2021 over the rapid upsurge of the coronavirus cases that has put the area's medical systems on the brink of collapse, requesting the cancellation of the Olympic torch relay on public roads. (Chiaki Ueda/Kyodo News via AP)