It looks like the association between AstraZeneca’s vaccine and a rare clotting/bleeding syndrome is real. Here’s what that means.

Here’s the Science review summary article with links to the primary studies.

ADDENDUM 4/13: as mentioned in the video, Johnson & Johnson’s vaccine has a similar adenovirus vector technology, and we are now seeing similar cases associated with that vaccine as well. US officials have recommended a pause in its use as they are investigate, read more here.

Full video and transcript here.