by Marc Preel with AFP bureaus Agence France Presse The World Health Organization expressed concern Friday over a coronavirus resurgence in Europe as Britain joined France, Germany and Austria in announcing tighter mask requirements and greater testing. Europe accounts for a fifth of the world’s more than 15 million cases and remains the hardest hit in terms of deaths, with 207,118 out of more 630,000 globally since the pandemic emerged in China late last […]