![]() Additional Pacific and Asian countries including Malaysia, Sri Lanka, Bangladesh and India are now also conducting targeted passenger screening at airports. CDC raised its travel notice for Wuhan, China, to the highest of three levels. In the U.S., the CDC began entry screening of passengers on direct and connecting flights from Wuhan to the three main ports of entry on January 17, 2020, with Atlanta and Chicago soon to be added. ![]() Taiwan, Singapore and Thailand starting to screen arriving passengers on January 3. Targeted airport screening of passengers traveling from Wuhan was initiated as early as January 1 in Hong Kong and Macau. Further, many cities have canceled Chinese New Year celebrations.Īs Wuhan is a major air transportation hub in central China, various measures have been taken on a global scale to mitigate international spread. On Jan 24, Huanggang and Ezhou, cities adjacent to Wuhan, will also be placed under a similar quarantine, with more cities in China now following suit. On 23 January 2020, Wuhan suspended all public transport and air travel (in and out of the city), placing all 11 million city residents under quarantine. ![]() In attempts to mitigate local transmission within China, unprecedented outbreak control strategies were implemented in (initially) three cities. Of immediate concern is the risk of further transmission resulting from high travel volumes and mass gatherings in celebration of the Chinese New Year on January 24. On Jan 22, a WHO emergency committee convened to discuss whether the outbreak should be classified as a public health emergency of international concern ( PHEIC) under International Health Regulations, but were initially undecideddue to lack of information, before deciding against the declaration. Additional travel cases have now been confirmed in Hong Kong, Macau, Singapore and Vietnam. On January 21 multiple provinces in China were also reporting new cases and infection was confirmed in 15 healthcare workers, with six fatalities reported. and Taiwanwere detected in travelers returning from Wuhan. On the same day human infections with 2019-nCoV had also been confirmed in Japanand South Korea, and the following day cases in the U.S. On January 20, China’s National Health Commission (NHC) confirmed that the coronavirus can be transmitted between humans. On Jan 13 Thailandreported the first international case outside China, while the first cases within China, but outside of Wuhan were reported on January 19, in Guangdong and Beijing. Infected travelers (primarily air) are known to be responsible for introductions of the virus outside Wuhan. However, the mortality and transmissibility of 2019-nCoV are still unknown, and likely to vary from those of the prior referenced coronaviruses. On January 10, gene sequencing further determined it to be the new Wuhan coronavirus, namely 2019-nCoV, a betacoronavirus, related to the Middle Eastern Respiratory Syndrome virus (MERS-CoV) and the Severe Acute Respiratory Syndrome virus (SARSCoV). The virus causing the outbreak was quickly determined to be a novel coronavirus. ![]() Subsequently, the wet market was closed on Jan 1. The first reported infected individuals, some of whom showed symptoms as early as December 8, were discovered to be among stallholders from the Wuhan South China Seafood Market. As of January 23, there are over 800 cases of 2019-nCoV confirmed globally, including cases in at least 20 regions in China and nine countries/territories. On December 31, 2019, the World Health Organization ( WHO ) was informed of an outbreak of “pneumonia of unknown cause” detected in Wuhan City, Hubei Province, China – the seventh-largest city in China with 11 million residents. Lancet Infect Dis published online Feb 19. An interactive web-based dashboard to track COVID-19 in real time.
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