Single Pfizer or AstraZeneca dose produces strong antibody response

Scientists say the AstraZeneca vaccine has a greater effect when it comes to the cellular response A single dose of either the Oxford/AstraZeneca or the Pfizer/BioNTech vaccine generates a big protective antibody response against the coronavirus in the over-80s, researchers have found. The first study to look at the comparative performance of the two vaccines that have been in use in the UK in recent months shows that 93% of people develop antibodies against the coronavirus spike protein by five...