"Two thirds of persons were asymptomatic. A minority of persons with breakthrough infection experienced mild to moderate COVID-19–like symptoms; two COVID-19–related hospitalizations and one death occurred. No facility-associated secondary transmission was identified."
If this level of risk is involved for people who are at high risk, it sounds like vaccination is a big win.
What a vaccine's "efficacy rate" actually means:
ReplyDeletehttps://www.youtube.com/watch?v=K3odScka55A