TOKYO -- Japan's leading COVID-19 adviser calls for a cautious approach in reopening the country's border, despite the global trend to relax entry restrictions amid progress in vaccination coverage.
Shigeru Omi says booster shots could be used for elderly

Shigeru Omi, an immunologist who chairs Japan's coronavirus advisory panel, speaks during a discussion at the Nikkei FT Communicable Diseases Conference on Oct. 27 in Tokyo. (Photo by Yo Inoue)
TOKYO -- Japan's leading COVID-19 adviser calls for a cautious approach in reopening the country's border, despite the global trend to relax entry restrictions amid progress in vaccination coverage.