Moderna Inc mentioned on Wednesday it's withheld provide of about 1.63 million doses of its Covid-19 vaccine in Japan after a report of contamination of vials with particulate matter, which it suspects consists of a production line in Spain. Despite the fact that Moderna claimed no protection or efficacy concerns http://www.de.kuas.edu.tw/community/viewtopic.php?CID=17&Topic_ID=21