Austria imposed a lockdown on people unvaccinated against the coronavirus on Monday as winter approaches and infections rise across Europe, with Germany considering tighter curbs and Britain expanding its booster program to younger adults. Europe has again become the epicenter of the pandemic, prompting some countries to consider re-introducing restrictions in the run-up to Christmas and stirring debate over whether vaccines alone are enough to tame COVID-19. The disease spreads more easily in the winter months when people gather inside. Europe last week accounted for more than half of the 7-day average of infections globally and about half of the latest deaths, according to a Reuters tally, the highest levels since April last year when the virus was at its initial peak in Italy. Governments and companies are worried the prolonged pandemic will derail a fragile economic recovery. Austria’s conservative-led government said that […]