Covid update: Pfizer vaccine’s 1st batch out in USA; virus & lung cell damage

From Pfizer's first batch of vaccine to BJP chief testing positive, here are the top updates on the pandemic. BJP president JP Nadda said he has tested positive for the novel coronavirus. BJP chief said he is isolating himself at home. Meanwhile, Pfizer's 1st batch of vaccines was dispatched from the Michigan plant on Sunday and will reach 145 distribution centers on Monday, as per officials. Also, the USA plans to immunize 100 million people by the end of March. Watch the full video for more updates on the pandemic.