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Evidence China Mystery Illness Can Be Passed From Person to Person, Says U.S.

Bloomberg logo Bloomberg 1/20/2020 Jason Gale
Security guards stand in front of the closed Huanan wholesale seafood market, where health authorities say a man who died from a respiratory illness had purchased goods from, in the city of Wuhan, Hubei province, on January 12, 2020. - A 61-year-old man has become the first person to die in China from a respiratory illness believed caused by a new virus from the same family as SARS, which claimed hundreds of lives more than a decade ago, authorities said. (Photo by Noel Celis / AFP) (Photo by NOEL CELIS/AFP via Getty Images) © Noel Celis / AFP Security guards stand in front of the closed Huanan wholesale seafood market, where health authorities say a man who died from a respiratory illness had purchased goods from, in the city of Wuhan, Hubei province, on January 12, 2020. - A 61-year-old man has become the first person to die in China from a respiratory illness believed caused by a new virus from the same family as SARS, which claimed hundreds of lives more than a decade ago, authorities said. (Photo by Noel Celis / AFP) (Photo by NOEL CELIS/AFP via Getty Images)

(Bloomberg) -- A pneumonia outbreak in central China has widened with more than 200 people now diagnosed with the new SARS-like virus, as health experts say there’s now evidence that the illness is spreading from person to person.

Amid increased searching and testing for the novel virus among people with symptoms like fever and coughing, the number of cases in China surged over the weekend. With the Chinese New Year just days away -- a holiday season during which Chinese citizens rack up 3 billion trips across the country to reunite with family -- the virus’s spread is likely to intensify.

Wuhan, the central Chinese city at the center of the outbreak, now has almost 200 confirmed cases, including three fatalities. Cases were also reported in Beijing and the southern Chinese province of Guangdong. Across the region, South Korea detected its first case, adding to those found in Thailand and Japan last week.

The surge in incidences, after the World Health Organization released guidance for diagnostic detection of the virus Friday, confirmed that the new pathogen is being transmitted among humans, and not just from animals to humans as was originally hoped.

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But there are no reports yet of health-care workers being infected, a sign that the new virus is likely not as infectious as SARS, which killed almost 800 people 17 years ago.

“It is clear that there is at least some human-to-human transmission from the evidence we have, but we don’t have clear evidence that shows the virus has acquired the capacity to transmit among humans easily,” said Takeshi Kasai, the WHO’s regional director for the western pacific, in an interview with Bloomberg TV on Monday. “We need more information to analyze that.”

Countries across the world stepped up screening of incoming travelers ahead of the Chinese holiday that starts this Friday, a period of heightened travel for Chinese people. International airports in New York, Los Angeles and San Francisco started screening from late Friday, joining cities in Asia that implemented surveillance measure days after the outbreak was reported on Dec. 31.

In Wuhan, health-care workers spread out across the city of 11 million, screening for symptoms among people on planes and at railway stations.

“This is a situation where we’re going to see additional cases all around the world as folks look for it more,” Nancy Messonnier, director of the U.S.’s Centers for Disease Control and Prevention’s National Center for Immunization and Respiratory Diseases, told reporters Friday. “It’s highly plausible that there will be at least a case in the United States, and that’s the reason that we’re moving forward so quickly with this screening.”

It’s possible that more than 1,700 people in Wuhan have been infected with the virus, Neil Ferguson and colleagues at Imperial College London said in a study Friday. Their analysis was based on cases reported outside China last week, with the assumption that it takes five or six days for someone to feel unwell after being infected, and another four or five days for the infection to be detected.

How China’s Mystery Illness Is and Isn’t Like SARS: QuickTake

The widening of cases sparked a rally in Chinese drugmakers’ shares on Monday. Antibiotic makers Jiangsu Lianhuan Pharmaceutical Co., Shandong Lukang Pharmaceutical Co. and Shenzhen Neptunus Bioengineering Co. all rose by the 10% daily limit in early trading.

Shares of companies in the travel and hotel sectors dropped on fears of a hit to tourism over the Lunar New Year, traditionally a peak period of spending for China’s billion-strong consumer force. Chinese airlines and Macau casino operators were among the biggest losers on Monday, with Air China Ltd. sinking as much as 7.8% in Hong Kong.

The novel coronavirus, known as 2019-nCoV, has triggered alarm because of similarities with the one that sparked Severe Acute Respiratory Syndrome, or SARS, 17 years ago. Coronaviruses are a large family of viruses, some causing illness in people, and others that circulate among animal, including camels, cats, and bats, the CDC said. While rare, animal coronaviruses can evolve and infect people, and then spread between people.

The source and transmission routes of the 2019-nCov virus are still unknown, China’s National Health Commission said in a statement on Sunday.

a blue sign in front of a building: Second Patient Died Of Pneumonia In Wuhan © Getty Images via Bloomberg Second Patient Died Of Pneumonia In Wuhan

Some of the first group of patients in Wuhan worked or shopped at a seafood market where live animals and wildlife parts were also reportedly sold.

Provincial health authorities in Guangdong confirmed a case Sunday in a 66-year-old Shenzhen resident who developed fever and fatigue on Jan 3. during a five-day trip to Wuhan.

Two cases have been confirmed in Beijing, according to a statement by a local health authority on Monday. The patients, who have a history of travel to Wuhan, have been hospitalized and are in stable condition.

Officials in Thailand reported two cases last week, while Japan confirmed a case on Thursday. All of them either lived in Wuhan or had spent time there, though none was linked to the seafood market.

Critically Ill

Health authorities said that as of 10 p.m. Sunday, 25 of the city’s 198 cases had been cured. A further three had been discharged from the hospital. Currently, 170 cases are being treated in isolation wards at various hospitals, of which 126 cases are mild, 35 are severe, and nine cases are critically ill.

Of the 136 patients reported over the weekend, 66 were male and 70 were female; the youngest was 25 years old and the oldest was 89. The most recent illness occurred before Saturday, and initial symptoms were mostly fever, cough or chest tightness, and difficulty breathing.

Chinese authorities said the outbreak is “still preventable and controllable,” in an attempt to reassure the public as hundreds of millions of people prepare to travel ahead of the country’s biggest annual festivities.

(Updates throughout. Earlier version corrected name of CDC official in fourth paragraph.)

--With assistance from Ken Wang, Zoe Ma, Kelly Li and Jung Soo Maeng.

To contact the reporter on this story: Jason Gale in Melbourne at j.gale@bloomberg.net

To contact the editors responsible for this story: Rachel Chang at wchang98@bloomberg.net, Jeff Sutherland

For more articles like this, please visit us at bloomberg.com

©2020 Bloomberg L.P.

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