Pfizer and BioNTech’s COVID-19 vaccine is 100% effective against the virus in children ages 12 to 15, the companies announced in a press release Wednesday. In a placebo-controlled trial of 2,260...

Johnson & Johnson’s one-shot COVID-19 vaccine triggered antibodies that last at least 71 days ALL trial volunteers, early data reveals – amid fears the firm will NOT have 12 million doses...