In boost for Covid-19 battle, Pfizer vaccine found 94% effective in real world

In boost for Covid-19 battle, Pfizer vaccine found 94% effective in real world The research in Israel - two months into one of the world's fastest rollouts, providing a rich source of data - showed two doses of the Pfizer shot cut symptomatic Covid-19 cases by 94% across all age groups, and severe illnesses by nearly as much. https://ift.tt/eA8V8J