‘John Bell, a professor of medicine at the University of Oxford, says everyone thought there would be a flood of cases in Vietnam because the country is right across the border from China. Yet Vietnam has reported only 300 in a population of 100m, and no deaths. The country did not have a great lockdown either, he adds. Nobody could work out what was going on.
‘One explanation, he suggests, is that Vietnam’s population is not as immunologically “naive” as has been assumed. The circulation of other sars-like viruses could have conferred a generalised immunity to such pathogens.’
Read here (The Economist, July 22, 2020)
