Researchers have used a genetic engineering strategy to dramatically reduce levels of tau—a key protein that accumulates and becomes tangled in the brain during the development […]
France, Poland and Ukraine introduced new lockdown measures Saturday to fight a surge in coronavirus infections, as the European Union threatened to block exports of AstraZeneca […]
The British government on Saturday hailed its coronavirus vaccination programme as “a huge success” after announcing half of the adult population had now received a jab.