Pfizer Covid-19 vaccine works well in big ‘real…

A real-world test of Pfizer’s Covid-19 vaccine in more than half a million people confirms that it’s very effective at preventing serious illness or death, even after one dose.Wednesday’s published results, from a mass vaccination…

In boost for COVID-19 battle, Pfizer vaccine found…

6 Min ReadJERUSALEM (Reuters) - The first big real-world study of the Pfizer/BioNTech vaccine to be independently reviewed shows the shot is highly effective at preventing COVID-19, in a potentially landmark moment for countries desperate…