Michael Ciaglo/Getty Images The European Medicines Agency found a possible link between the Johnson & Johnson COVID-19 vaccine and 'unusual' blood clots cases with low levels of blood platelets. The EMA said the link should be listed as "very rare side effects of the vaccine." Johnson & Johnson said it would add the information and that shipments had resumed to Europe. See more stories on Insider's business page. The European Medicines Agency found a possible link between the Johnson & Johnson COVID-19 vaccine and 'unusual' blood clots cases with low levels of blood platelets, according to a statement issued on Tuesday.The agency said that the overall benefit-risk remains positive, but said the link should be listed as "very rare side effects of the vaccine." The EMA suggested a warning be attached to product information about the shot.Johnson & Johnson said it would add information about the "very rare adverse event" on its pamphlets for the vaccine and resume shipments to Europe."The safety and well-being of the people who use our products is our number one priority," said Johnson & Johnson Chief Scientific Officer Paul Stoffels.