TOKYO, 14 Sept. A vaccination center in another city in Japan has identified foreign matter in Pfizer's coronavirus vaccine, Kyodo reported, this time in one of the vials delivered to the Sakai Vaccine Center in Osaka Prefecture. 17 February. Three types of coronavirus vaccines — Pfizer, AstraZeneca and Moderna — have been approved for use in the country. Impurities in the form of metal chips were found in the Moderna vaccine in August. The Ministry of Health has stopped the use of three lots of vaccine for a total of 1.63 million doses. By the time it was withdrawn, it had been distributed to 889 vaccination centers and had already been used at 55 of them. In addition, Gunma and Okinawa prefectures reported the discovery of black chips that looked like ampoule cap fragments. RDIF told about testing a combination of Sputnik Light and AstraZeneca