Global COVID-19 vaccine summary: Side effects
Currently, in various areas of the world, 13 COVID-19 vaccines have been authorized for use. In this feature, we look at the types and their...
Tag : Oxford-AstraZeneca COVID-19
COVID-19: How do viral vector vaccines work?
Unlike many other vaccines that contain an infectious pathogen or a part of it, viral vector vaccines use a harmless virus to deliver a piece...