In a major development, Drugmaker Pfizer said on Monday that an early look at data from its coronavirus vaccine shows it is more than 90% effective — a much better than expected efficacy if the trend continues, reports CNN.
What did the interim analysis find?The so-called interim analysis looked at the first 94 confirmed cases of Covid-19 among the more than 43,000 volunteers who got either two doses of the vaccine or a placebo. It found that fewer than 10% of infections were in participants...
https://mfame.guru/2-doses-of-pfizer-covid-vaccine-in-28-days-prevents-corona/