TOKYO, Japan (AFP) — Japan formally approved Moderna and AstraZeneca’s Covid-19 vaccines on Friday, but the latter will not be used immediately because of lingering concern over very rare blood clots. The decision comes just over two months before the pandemic-postponed Olympics, with growing disquiet in Japan about the country’s comparatively slow vaccine rollout. Nine regions including Tokyo are already under a virus state of emergency, with the measure now being expanded to Okinawa in […]