London, The third dose of AstraZeneca COVID-19 vaccine is effective against symptomatic disease and hospitalisation, offering protection comparable to a booster shot of the Pfizer preventive, according to a study conducted in the UK. The yet-to-be peer-reviewed study, posted on the preprint repository medRxiv on May 1, assessed the effectiveness of the AstraZeneca (ChAdOx1-S) COVID-19 […]
