Complete and total bovine feces.
First of all protection last at least 6 months. Maybe more but that is where the studies ended for Pfizer and Moderna.
Second what the 95% actually means is that vaccinated people had a 95% lower risk of getting COVID-19 compared with the control group participants, who weren’t vaccinated. In other words, vaccinated people in the Pfizer clinical trial were 20 times less likely than the control group to get COVID-19. 5% of vaccinated people didn’t get sick because not 100% of unvaccinated got sick. .04% of vaccinated people got sick in the Pfizer study.
"Welcome to Free Republic, where people have been replying without reading the article, for over 20 years."
To calculate ARR, the % of persons expected to become ill following vaccination is subtracted from the % of persons who would have become ill if they hadn't had the vaccine. Using Pfizer's data, without a vaccine people have a .93% chance of becoming ill with Covid-19 in the next 2 months (duration of Pfizer’s study). According to Pfizer, if they have the vaccine, their risk of illness over the next 2 months drops from .93 of one percent, to .05 of one percent (rounded).
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And please share how they came to the 95 percent conclusion.. Did the vaccinated and unvaccinated control group live in a big house together during the study? Did one or both groups where masks? Did one group go to work and another worked remotely? Were they intentionally exposed to the virus? Do tell!