In major developments surrounding the novel coronavirus (2019-nCoV) outbreak centered in China, the World Health Organization (WHO) said it sees possible evidence of sustained transmission—meaning the virus is spreading beyond just clusters of patients.
In addition, China today reported another spike in cases—to more than 300—plus two more deaths, with more newly affected provinces, while Taiwan reported its first 2019-nCoV case in a traveler from Wuhan. (See today's other CIDRAP News story on US developments.)
Health worker infections closely eyed
Ahead of tomorrow's emergency committee to assess of the 2019-nCoV developments warrant a public health emergency of international concern, the WHO said last night in a Tweet from its Western Pacific regional office that it's now clear that human-to-human transmission is occurring.
It said the virus has infected 15 healthcare workers in Wuhan and noted that some of newly reported cases suggest that sustained transmission may be occurring. "But more information and analysis are needed on this new virus to understand the full extent of human-to-human transmission and other important details."
Healthcare worker infections are a closely watched marker for not only virus transmissibility, but also "super spreader" events that can amplify outbreaks, a feature seen in SARS (severe acute respiratory syndrome) and MERS-CoV (Middle East respiratory syndrome coronavirus) events.
China outbreak tops 300 cases
China's outbreak total has now topped 300, led by 60 more cases, 2 of them fatal, officials reported today from Wuhan, the outbreak epicenter. According to China's National Health Commission (NHC), as of earlier today it has received reports of 291 cases, most of them from Hubei province where Wuhan is located. It said the latest cases were reported from Hubei province, plus 2 more in Shanghai and 3 in Beijing.
Later in the day, more Chinese provinces reported their first cases. For example Zhejiang, which reported five, and the cities of Tianjin and Chongquing, reported their first illnesses. Previously affected areas reported additional cases, such as Guangdong province and the cities of Beijing and Shanghai.
A Chinese medical community tracking the developments in real time put the country's current total at 321 cases.
Wuhan's health commission said in a statement today that the 60 latest case-patients range in age from 15 to 88 and that the latest illness onset was Jan 18. Twenty of the patients are seriously ill. The report was translated and posted by FluTrackers, an infectious disease news message board.
The two deaths, which push the outbreak fatality count to six, were reported in a 66-year-old man and a 48-year-old woman, both of whom had underlying health conditions.
Taiwan reports first case
Taiwan's first imported case involves a woman in her 50s who worked in Wuhan. The Taiwan Centers for Disease Control (Taiwan CDC) didn't specify her exposure but said she got sick in Wuhan. The agency added that officials are monitoring 46 contacts.
Also today, the WHO posted more information on South Korea's imported case-patient, a 35-year-old Chinese woman from Wuhan who got sick in that city on Jan 18 and was diagnosed there with a cold before flying to South Korea the next day. Her fever was detected when she arrived at the Seoul airport, and tests yesterday on her samples were positive for 2019-nCoV.
She said she hadn't visited any markets, did not have contact with any wild animals, and did not have contact with any known 2019-nCoV patients.
Jan 20 WHO WPRO tweet thread
Jan 21 China NHC statement
Jan 21 FluTrackers thread on latest Wuhan cases
Chinese medical community (DXY) 2019-nCoV tracking website
Jan 21 Taiwan CDC statement
Jan 21 WHO statement