BERLIN — A 20-year-old student working at a gas station in southwestern Germany was shot and killed after refusing to sell beer to an unmasked customer, the local prosecutor said.
A third shot of Pfizer-BioNTech’s Covid vaccine sharply increases the levels of antibodies against the coronavirus, the companies reported on Wednesday. The companies were announcing the results of a study
A booster shot of the Johnson & Johnson vaccine dramatically raises the levels of antibodies against the coronavirus, the company reported on Wednesday. Johnson & Johnson will submit the data