Jerusalem, February 25 (AP): 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 do
London, January 16 (IANS): After the news broke that 23 elderly patients died in Norway following their immunization with the Pfizer-BioNTech mRNA vaccine against Covid-19, the country has launched a detailed i