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Japan Halts 2.6 million Moderna doses after finding 'foreign matter'

Japanese health officials said last week the shots contained a "substance that reacts to magnets." 2 men with no pre-existing conditions in their 30's died shortly after vaccination prompting concern. It's not yet known if it is linked.

"A tiny black substance was found in a Moderna vaccine vial in Gunma, an official from the prefecture said, while in Okinawa, black substances were spotted in syringes and a vial, and pink material was found in a different syringe," Reuters reported Monday.

Gunma becomes the seventh prefecture to report the discovery of foreign matter in the Moderna vaccine following Ibaraki, Saitama, Tokyo, Gifu, Aichi and Okinawa.

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