If the most glaring limitation of the study is the lack of a control group, the absence of data on background rates of adverse events that have been assessed in the vaccinated participants makes it difficult to link the adverse events to vaccination If the most glaring limitation of the study is the lack of a control group, the absence of data on background rates of adverse events that have been assessed in the vaccinated participants makes it difficult to link the adverse events to vaccination Health Health News, Wellbeing Tips, Diseases, Treatment and Nutrition | The Hindu
BHU’s Covaxin safety study riddled with major limitations
