BREAKING: NACI officially recommends AstraZeneca #COVID19 vaccine not be used in adults under 55 "while the safety signal of Vaccine-Induced Prothrombotic Immune Thrombocytopenia (VIPIT) following vaccination" is investigated further, as @CBCNews reported.https://t.co/J2ZrsPNB6d

— Lauren Pelley (@LaurenPelley) March 29, 2021