The emergence of new variants of the virus that causes Covid-19—including one in the U.K. that British officials say could be more deadly than earlier versions—signals a future in which health authorities are locked in ...
AstraZeneca PLC expects to deliver tens of millions fewer Covid-19 vaccine doses than planned to the European Union in coming months, according to people familiar with the matter, threatening the continent’s plans to ramp up ...
Looking to reset the troubled U.S.-China relationship, Beijing is pressing for a meeting of its top diplomat with senior aides to President Biden to explore a summit between the two nations’ leaders, according to people ...
Hackers manipulated stolen data related to coronavirus vaccines before publishing it on the dark web, according to the European Medicines Agency. It was a tactic that cybersecurity analysts say aims to sow mistrust and confusion. ...
Tension is rising between European authorities and Pfizer Inc. and BioNTech SE after officials said the companies had unexpectedly cut their deliveries of Covid-19 vaccines and put their immunization schedules at risk. The Italian government ...