Poland has turned its largest stadium into an emergency field hospital. The numbers of Covid-19 patients in Belgium and Britain have doubled in two weeks. And doctors and nurses in the Czech Republic are falling ill at an alarming rate. As new cases of the virus began to increase again across Europe last month, hospitals were initially spared the mass influx of patients they weathered earlier this spring. Some suggested that the virus had become less deadly, or that older, more vulnerable people would be shielded. But a second wave of serious illness is here, new data released on Thursday shows, making it clear that the pandemic is still dangerous and that adherence to control measures over the next few weeks will be crucial in preventing hospitals from becoming overrun for a second time this year. Country Patients in hospital per 100,000 Spring peak % of spring […]