Here’s a breakdown of estimated cases prevented by country:■ China: 37 million confirmed cases, 285 million total cases■ South Korea: 11.5 million confirmed, 38 million total■ Italy: 2.1 million confirmed, 49 million total■ Iran: 5 million confirmed, 54 million total■ France: 1.4 million confirmed, 45 million total■ US: 4.8 million confirmed, 60 million totalHome isolation, business closures and lockdowns produced the clearest benefits, the study found.
Travel restrictions and bans on gatherings had good results in Italy and Iran, but their impact was less clear in the US.There was no strong evidence that school closures had an effect in any country, and the team said that more research should be done to inform decisions on opening or.