> some participants routinely swabbed themselves for SARS-CoV-2 testing, even if they weren’t showing symptoms. Differences in infection rates between people who received the placebo and those who got the Oxford vaccine suggest the vaccine blocks transmission, says Ewer. (The Pfizer and Moderna trials tested only people who showed symptoms.)
Exactly.
"BREAKING—95%—new data from Oxford/AstraZeneca vaccine shows 95% efficacy & is “100% effective” in preventing severe
Hospital illness, says AZ CEO. That’s on par w/ Moderna & Pfizer. No official data yet, but UK said to likely approve in days." https://twitter.com/DrEricDing/status/1343047055078551554?s=...