However, the researchers warn: “With less aggressive intervention, it can take much longer. Important differences exist by size of country.
“Public health administrators should note larger countries take longer to see moderation.
“The authors defined aggressive intervention as lockdowns, stay-at-home orders, mass testing and quarantines.”
Professor Sood said: “Even though huge differences exist among countries, it’s striking to see so many similarities from aggressive intervention to moderation, control, and containment of the spread of the disease.”