According to the source, the vials with the floating white substance belong to the same batch, FF5357, and were found in Sagamihara and Kamakura cities, both in the Kanagawa prefecture; as well as in Sakai in the western Osaka province.
The three cities called on Pfizer to analyze the substances, found in several vaccination places between Saturday and Tuesday.
The local governments claimed that they did not use the doses containing the strange substance and continued administering doses with the same batch number after confirming they were not contaminated.
Last month, Japan’s Ministry of Health suspended the administration of around 1.63 million doses of the Covid-19 vaccine from US drugmaker Moderna as a precaution, after finding strange substances in a number of vials.
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