Know how does COVID vaccine works | UNCUT Bulletin

India registered record deaths due to Covid on Wednesday with 4,529 deaths -- the highest number of fatalities from Covid infection in any country since the coronavirus outbreak was reported in China's Wuhan in December 2019.

It surpassed 4,468 deaths in the US on January 12, and earlier 4,211 in Brazil on April 6. These three are the worst-hit by the pandemic.