Good morning from the newsroom of the Financial Times.

Today is Thursday, January 23rd,

and this is your FT news briefing.

China has quarantined the city at the center

of the deadly coronavirus outbreak.

Tesla rides a market rally to a more than $100 billion valuation,

and Boeing's new chief executive says he's confident

that the 737 Max will fly again.

Plus the FT's Tim Bradshaw takes a look at the competitive market for food delivery apps

and which companies are desperate to take your order.

I'm Mark Filipino, and here's the news you need to start your day.

On Thursday morning local time Chinese authorities shut down public transport in Wuhan.

The move is meant to contain the SARS-like virus in the city at the center of the outbreak.

Airports and train stations are also temporarily closed.

Efforts to stop the spread of the coronavirus are ramping up ahead of the busiest travel period of the year.

More than 100 million Chinese citizens are expected to be in transit for the Lunar New Year.

Signs of the disease include fever, coughing, and breathing difficulties.

At its worst, coronavirus can cause pneumonia, kidney failure, and death.

As of late Wednesday night, the disease had killed 17 people and infected at least 544.

It spread as far as North America. U.S. authorities confirmed the first case on American soil on Tuesday.

Meanwhile, the World Health Organization held an emergency meeting on Wednesday, but it put off making

a decision on whether to declare an international public health emergency.

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