HealthPfizer covid-19 vaccine will need a gigantic new network of freezers We have a covid-19 vaccine that works. But can we keep it cold enough to get it to enough people? ¿ìè¶ÌÊÓÆµ
HealthEurope's second wave of coronavirus is starting to eclipse the first Many countries in Europe are now reintroducing lockdowns, but it might already be too late to stop the second wave being worse than the first ¿ìè¶ÌÊÓÆµ