The health ministry said contamination was reported from multiple vaccination sites. Some doses might have been administered, but no adverse health effects have been reported so far, officials said.
It asked
The Spanish manufacturer, Rovi, said it is conducting an investigation into the matter and is also cooperating with authorities.
“The detection of this particulate matter refers to certain vials of one product lot distributed exclusively in Japan,” the company said in a statement from
“The origin of this manufacturing incident may be in one of ROVI’s manufacturing lines,” the statement noted.
It said that as a precaution, the batch in question and two adjacent lots have been put on hold.
Neither the companies nor authorities gave details on the possible type of contamination.
The
Chief Cabinet Secretary
“We will do utmost in order to avoid any impact on vaccination progress, especially at worksites and large-scale centers,” Kato said.
About 43% of the Japanese population have been fully vaccinated, with daily doses of about 1 million.
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