TOKYO (REUTERS) - A contaminant found in a batch of Moderna's Covid-19 vaccines delivered to Japan is believed to be a metallic particle, Japanese public broadcaster NHK reported, citing sources at the health ministry.
Japan on Thursday (Aug 26) suspended the use of 1.63 million doses of Moderna's vaccine, more than a week after the domestic distributor received reports of contaminants in some vials.
The NHK report published late on Thursday cited the ministry as saying the particle reacted to magnets and was therefore suspected to be a metal. Moderna has described it as "particulate matter" that did not pose a safety or efficacy issue.
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