Categories Articles Doctors successfully treat rare blood clotting side-effect of Johnson & Johnson COVID vaccine Post author By crystalg Post date May 6, 2021 Study Finds Tags blood, clotting, COVID, Doctors, Johnson, rare, sideeffect, Successfully, treat, Vaccine ← Real-world data from Qatar suggests 2 doses of Pfizer’s vaccine are needed against variants → Novavax’s COVID-19 Vaccine Was Shown to be 51% Efficacious in South Africa, Where More Infectious Variants Are Spreading