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 ...
LONDON—British public-health officials warned that the new coronavirus variant first identified in the country last month could be significantly more lethal as well as more contagious, raising the stakes in the global vaccination race. The ...
A surgeon at the Hospital for Special Surgery in New York recently performed the first knee-replacement surgeries in the U.S. using augmented reality. Jonathan Vigdorchik, M.D. , last month replaced the knees of two patients, ...
The World Health Organization is working on technical details and privacy standards for digital coronavirus vaccine certificates to give individuals proof of immunization that could be accepted in other countries. The WHO is working with ...