An experimental HIV vaccine based on mRNA—the same technology used in two highly successful COVID-19 vaccines—has shown promise in experiments in mice and monkeys, according to […]
The British government raised the country’s official coronavirus threat level on Sunday, warning the rapid spread of the omicron variant had pushed the U.K. into risky […]
Austria ended lockdown restrictions for vaccinated people across most of the country on Sunday, three weeks after reimposing strict rules to combat a rising wave of […]