by Camille BAS-WOHLERT Agence France Presse Europe and pharma groups must work together to speed up Covid-19 vaccinations, the head of the European branch of the World Health Organization said Friday, expressing concern about the effectiveness of vaccines on virus variants. “We need to join up to speed up vaccinations,” WHO Europe director Hans Kluge told AFP in an interview, as Europe bids to overcome a slow start to its vaccination campaign amid tensions […]