![]() ![]() 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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