Travelers from Beijing, wearing masks, arrive at Charles de Gaulle airport, north of Paris,  Jan. 27, 2020. (KAMIL ZH Photo/Kamil Zihnioglu)

PARIS - A tourist was tested positive for the novel coronavirus (2019-nCoV) in Paris on Tuesday, bringing the total number of the infected to four in France, health authorities said.

READ MORE: Germany identifies first case of novel coronavirus

His medical situation is serious, as he is requiring resuscitation

Jerome Salomon, France's Director General of Health 

Director General of Health Jerome Salomon confirmed that an elderly Chinese tourist from Hubei province had been diagnosed with the virus and was being treated in intensive care in a Paris hospital.

"His medical situation is serious, as he is requiring resuscitation," he told reporters.

"An epidemiological investigation" is under way to determine whether the patient has been in close contact with other people, the official added.

Last week, France confirmed three cases of novel coronavirus, making it the first European country with confirmed cases.  

4 German workers show mild symptoms

Meanwhle, four people in Bavaria who contracted coronavirus after a colleague from China visited their workplace were showing “very mild” symptoms, German Health Minister Jens Spahn said on Tuesday.

In one of the first known cases of person-to-person transmission outside China, a 33-year-old man apparently contracted the virus on Jan 21 during a training session with a Chinese colleague, Bavarian officials said. The three other patients were being monitored in isolation at a clinic in Munich.

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The cases raise concerns about the spread of the flu-like virus that broke out in the central Chinese city of Wuhan at the end of last year. It spreads in droplets from coughs and sneezes and has an incubation period of up to 14 days.

German car parts supplier Webasto on Tuesday said an employee at its headquarters in Stockdorf, Bavaria, had become infected following the visit of an employee from China.

With Reuters inputs