Coronavirus: What we know about symptoms and treatments so far

The disease presents like ordinary flu, but secondary infection is a deadly risk

20200207 Microscope New Wuhan Coronavirus

The new coronavirus as seen under a microscope:  Researchers are working to understand the nature of the disease and its symptoms. (Photo courtesy of Japan's National Institute of Infectious Diseases) 

TAKURO KUSASHIO and RIMI INOMATA, Nikkei staff writers

TOKYO -- While the spread of a new coronavirus that originated in Wuhan, the capital of China's Hubei Province, shows no sign of stopping, a partial picture of the mysterious infection has emerged.

Experts in Japan, the U.S., China and elsewhere have begun to get a handle on the symptoms of the disease and potential treatments. The symptoms of the new coronavirus are relatively mild compared with other viruses, such as severe acute respiratory syndrome, or SARS. They are similar to those of a cold or influenza, experts say.

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