Public Health
The person had not been abroad and had no known contact with an infected person. The agency said it may be the first "community spread" case in the US.
One British man in Wuhan complained that the UK Embassy in Beijing has been "conveniently closed for the weekend".
Suspected cases are being tested for in the UK. We explain the symptoms, where the virus has spread and what the experts say.
Hundreds of millions of people are expected to travel both domestically and abroad for Lunar New Year, prompting fears the coronavirus could spread quickly.
Alcohol hand gels do not kill norovirus, says Public Health England – it's all about soap and warm water.
The vaccine is available in Boots, Superdrug and other places on the high street this year.
Plus, how avian flu can spread and how many cases in humans there have been.
The person fell ill while a patient at Western Sussex Hospitals NHS Foundation Trust.
Flu vaccinations tend to be offered by the NHS from September onwards.
Scientists believe the disease can be passed to humans through the food chain.