A man who had the Moderna Covid vaccine says he developed blood clots he feared would kill him. Jeff Johnson's claims have dragged dragging the Massachusetts-based firm into an ongoing health scare that has already engulfed rival vaccine manufacturers Johnson & Johnson and AstraZeneca. Johnson told KDVR he received the Moderna vaccine at the Salud Family Health Centers in Brighton, where lives. Johnson told KDVR that his doctor said the clots could have been caused by the Moderna vaccine, but there is no evidence. CVST is a rare type of blood clot that blocks the brain's sinus channels of draining blood, which can cause hemorrhages.

Source: Daily Mail April 16, 2021 22:04 UTC