Japan has recently suspended the use of over 1.63 million Moderna’s Covid-19 vaccine after it found contamination in some portions of the vaccine, leading to concerns about inadequate supply.
Japan’s health ministry on Thursday decided to suspend the use of the vaccines after the contamination was reported from multiple vaccination sites.
The kind of contamination in the vaccines was not mentioned. Officials said some of the doses from the contaminated vaccines may have been already administered. No adverse affects, however, have been reported, the officials said, according to the Associated Press (AP).
The size of foreign substances confirmed in 39 vials is believed to be a few millimetres, with their elements being unknown, according to Japanese news agency Kyodo news. The news agency also quoted the health ministry as saying the 1.63 million doses were produced in the same production line at the same time in Spain.
The jabs were distributed to over 800 centres across the country, prompting the health ministry to order the centres to not use them. The ministry also issued stock numbers so residents can check if they were given the contaminated jab.
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