Japan stops use of 1.63 mln Moderna doses over contamination

Japan will halt the use of 1.63 million doses of Moderna's COVID vaccine after reports of contamination in several vials, drugmaker Takeda and the health ministry said on Aug. 26.

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Takeda, which is in charge of sales and distribution of the Moderna shot in Japan, said it had "received reports from several vaccination centers that foreign substances have been found inside unopened vials."

"Upon consultation with the health ministry, we have decided to suspend the use of the vaccine" from three whole batches from Aug. 26, it added.

The firm said it had informed Moderna and "requested an urgent investigation." Moderna did not immediately respond to a request for comment.

Takeda did not detail the nature of the contamination but said it had not so far received any reports of health concerns arising from affected doses.

Contaminants were seen inside vials from one of the three batches, but officials suspended the use of vials from the two others as a precaution, said top government spokesman Katsunobu Kato.

"We have not received reports of health problems stemming from the foreign object," he told reporters.

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"But we are asking people to consult their physicians if they experience any abnormality."

Japanese media said the three batches were all produced in Spain at the same time.

Contaminants were seen in 39 unopened vials at eight vaccination locations in central Japan, including Tokyo, according to national broadcaster NHK.

The defense ministry said doses from a suspended batch had been administered between August 6-20 at its mass vaccination center in the western city of Osaka.

However, staff visually check vials for contaminants before injecting the formula, the...

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