Two Pfizer doses cut death risk by 97%

According to the latest world data on vaccine efficacy published by Public Health England (which looks at people who were infected despite being vaccinated, two doses of the Pfizer vaccine provide 97 percent protection against death and a single dose of either main UK vaccine offers 80 percent protection. “The analysis involved almost 50,000 cases of people aged 70 and over — of whom one in five had been vaccinated,” The Times reported.