Monday 30 March 2020
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business-standard - 4 days ago

Travel restrictions most useful during early, late phase of epidemics: Study

Restrictions of travel from the Chinese city of Wuhan, the epicentre of the COVID-19 pandemic, came too late, according to a study which shows that the impact of curbing travel declines as an epidemic grows. The study, published in the journal Science, noted that regions outside the province of Hubei in China, which acted early to test, track and restrict imported COVID-19 cases fared the best at preventing or containing local outbreaks. Researchers, including those from the University of Oxford in the UK, assessed mobile geolocation data from Baidu Inc. -- a Chinese multinational technology company -- and combined the information with epidemiological dataset from the Open COVID-19 Data Working Group. Their analysis showed that local person-to-person transmission happened extensively early on in the coronavirus outbreak, and was mitigated by drastic control measures. However, since the virus has an average incubation period of 5 days, and up to 14 days in some cases, the scientists ...


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