Ontario Confirms First Case Of Rare AstraZeneca-linked Blood Clotting | Kawartha 411 Photo by Artem Podrez from Pexels KAWARTHA LAKES-The Ontario government has confirmed the first case of vaccine-induced immune thrombotic thrombocytopenia (VITT) in a patient after receiving the Ontario Confirms First Case Of Rare AstraZeneca-linked Blood Clotting ... https://www.kawartha411.ca/2021/04/23/ontario-confirms-first-case-of-ra... 1 of 3 4/26/2021, 1:05 PM