The Gunma prefectural government said Sunday that foreign substances were discovered in Moderna Inc.'s COVID-19 vaccine, the latest in a series of contaminants in the company's product reported in Japan over the past several days.Blackish foreign matter, less than 0.5 millimeters in size, was spotted during pre-inoculation inspections in a vial that has a different lot number from those of the three lots suspended Thursday for use and another found Saturday in Okinawa containing black and pink substances.About 4,500 people received shots in Gunma under the lot number over the three days thr…READ FULL ARTICLE