We were led to believe the Covid vaccines were 95% effective *at preventing infection* – hence, many jurisdictions and employers mandated Covid vaccinations. But – reality check:
The old vaccine’s effectiveness peaked one month after the shot, Lin’s team found. After four weeks, the vaccines were 52.2% effective at preventing infection and 66.8% effective at preventing hospitalization. After ten weeks, effectiveness at preventing infection decreased to 32.6% while effectiveness at preventing hospitalization decreased to 57.1%.
Another COVID vaccine? Yes, and here’s why | The Seattle Times
How much protection is added to those who have already had Covid-19 and developed B-, T-cell and antibody responses to the whole virus and not just the spike protein?
