Second wave

On a visit to Nottingham this morning, Boris Johnson warned that a second wave of Covid-19 could be on the verge of ‘starting to bubble up’ in Europe. Meanwhile, he defended his government’s lightning-speed reintroduction of a 14-day quarantine for travellers entering the UK from Spain. But concerns of a second wave are not solely related to Spain or select European countries. Yesterday the Financial Times revealed the Prime Minister’s warning to over a dozen businesses that the threat of another Covid wave in autumn is very real. It’s not just what’s happening abroad, but the possibility of infection rates spiking within the UK that has captured the government’s attention. It is not

Now that we are two months past the peak of the UK coronavirus epidemic, many fear the emergence of a second wave of the disease and remain anxious about any evidence that reopening the country has gone too far. For this reason media headlines like ‘Germany’s R number rockets again – from 1.79 to 2.88’ (Sky News) and ‘UK coronavirus cases no longer falling, ONS figures show’ (the Times) are amplified very quickly. But how worried should we really be by these headlines? By now, we have become familiar with the R number (the average number of people that each infected person will themselves infect) and are alert to the