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News ID: 93790
Publish Date : 30 August 2021 - 22:34
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TOKYO (Reuters) -- Moderna Inc’s COVID-19 vaccine contamination woes in Japan have widened with another million doses being suspended, after foreign substances were found in more batches and two people died following shots from affected lots.
The suspension of Moderna supplies, more than 2.6 million doses in total, comes as Japan battles its worst wave of COVID-19 yet, driven by the contagious Delta variant, with new daily infections exceeding 25,000 this month for the first time amid a slow vaccine rollout.
The latest reports of vaccine contamination came from the Gunma prefecture near Tokyo and the southern prefecture of Okinawa, prompting the suspension of two more lots in addition to the 1.63 million doses already pulled last week.
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.
The fresh suspensions followed a government report on Saturday that two people died after receiving Moderna shots that were among lots later suspended.
The government had said that no safety or efficacy issues had been identified and that the suspension was a precaution. The causes of death are being investigated.
Japan earlier halted the use of 1.63 million Moderna doses, shipped to 863 vaccination centers nationwide after the domestic distributor, Takeda Pharmaceutical (4502.T), received reports of cotaminants in some vials.
Some 500,000 people received shots from those supplies, Taro Kono, the minister in charge of the vaccine push, has said.
Moderna and Spanish pharma company Rovi, which bottles Moderna vaccines for markets other than the United States, said at the time that the contamination could be due to a manufacturing issue in one of Rovi’s production lines.
Takeda said on Monday that the investigation is ongoing.
The affected vaccines in Gunma are from a Moderna lot that is different from those whose use has already been suspended, the Gunma official said.
The contamination “is a serious problem” and there is need to investigate, but given rising COVID-19 cases, Moderna vaccinations should “continue with appropriate precautions”, said Nicholas Rennick, an Australian doctor practicing at the NTT Medical Centre in Tokyo.
Severe COVID-19 cases are at record levels in Japan, leaving many people to recuperate at home amid a shortage of critical care beds. Only 44% of its population has been fully vaccinated, lagging vaccination rates of several developed countries.

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