Many respiratory illnesses, such as colds and flus, peak in winter, then die down with warmer weather. Some experts wonder if COVID-19 will follow a similar pattern.
They're testing some drugs developed for other diseases. And they're offering supportive care — doing whatever's possible to keep vital organ systems functioning.
Two senior health officials in the province were fired, leaving Beijing in charge of efforts there to contain the virus which has killed more than 1,000 people since late December.
The Tuesday figures come as the head of the World Health Organization warns that a few cases of 2019-nCoV that have been spread by people who never traveled to China could be "the tip of the iceberg."
They charge that news of a new pneumonialike illlness was kept from the public for weeks — and that social media accounts are being shut down if certain types of comments are made.
Dr. Li Wenliang, an ophthalmologist working in Wuhan, died Friday, weeks after he sought to warn his colleagues of the outbreak and then became infected himself.
Hong Kong authorities say that beginning Saturday they are mandating that anyone entering the city from mainland China "self-quarantine" for the 14-day incubation period of the virus.
The reduced tariffs are to take effect next Feb. 14. The move comes after the Trump administration agreed to halve tariffs on about $112 billion in Chinese goods.