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Foreign matter found in Moderna vaccine in Gunma

  • August 29, 2021
  • , Jiji Press , 8:43 p.m.
  • English Press

Maebashi, Gunma Pref., Aug. 29 (Jiji Press)–Foreign matter has been found to be contained in a vial of Moderna Inc.’s COVID-19 vaccine in Gunma Prefecture, eastern Japan, the prefectural government said Sunday.

The substance was discovered Sunday morning during work to prepare for inoculations at a vaccination center in the city of Ota.

The vial is part of a batch carrying a lot number different from those for the batches suspended from use following the discovery of foreign substances at vaccination centers in other parts of Japan.

The Gunma government has stopped the use of vaccine from the batch while asking the health ministry whether it can be used.

According to Gunma officials, a bluish black flake about 0.5 millimeters in size was found in a vial filled with Moderna vaccine. The foreign substance did not react to a magnet.

The center suspended its vaccinations after the discovery, but it reopened in the afternoon after deciding to use vials from another batch.

Vaccine from the batch that contained the vial in question was administered to 4,575 people over the three days to Sunday. So far, there has been no report of health damage.

The health ministry is suspending the use of three batches from Thursday after the discovery of foreign substances in vaccine from one of the three.

On Saturday, Okinawa Prefecture said that foreign substances were found in vaccine from a different batch. But it has turned out that the substances are likely to have been mixed in by accident during work to fill syringes with the vaccine.

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