Beijing (CNN) A US citizen trapped at the epicenter of the coronavirus outbreak in China described her fear of living in a city that's cut off from the rest of the country by transport restrictions.

Teacher Diana Adama has been living in Wuhan city for three months of her 15 years in China. Wuhan is the ground zero for a new deadly strain of coronavirus -- with about 1,000 Americans living in the city.

People wear protective masks during decorations marking the Chinese New Year.

More than 50 people are dead -- all in China -- as the Wuhan coronavirus continues to spread throughout Asia and the rest of the world. Nearly 2,000 cases have been confirmed in mainland China.

Chinese authorities have imposed indefinite restrictions on public transport and travel in Hubei province in an unprecedented effort to contain the spread of the virus.

Residents are feeling disconnected and cut off from the rest of the world, Adama said.

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