Los Angeles, Mar 9 (AFP) The ATP and WTA tennis tournament in Indian Wells, California, has been cancelled over concerns about the outbreak of the new coronavirus, making it the first major sporting event in the US to be scrubbed due to health concerns.

The tournament, one of the biggest outside the four Grand Slams, was cancelled just three days before it was due to begin.

Officials said in a news release on Sunday that they opted to cancel after the health department of California's Riverside County declared a public health emergency for the Coachella Valley -- in the desert east of Los Angeles -- after a confirmed case of COVID-19 locally.

No further details of the case were given.

Days earlier, organizers had said they planned to go ahead with extra health measures in place such as hand sanitizing stations, beefed up cleaning protocols and gloves for ball kids, volunteers and food workers.

The ATP and WTA had also issued virus-related guidelines, telling players not to accept items from fans to be autographed.

Even before the cancellation the tournament, which draws more than 400,000 fans each year, had offered refunds to anyone who bought tickets but did not want to attend. Refunds, or credits for the 2021 event, are still being offered.

"We are very disappointed that the tournament will not take place, but the health and safety of the local community, fans, players, volunteers, sponsors, employees, vendors, and everyone involved with the event is of paramount importance," said tournament director Tommy Haas.

"We are prepared to hold the tournament on another date and will explore options," Haas added.

The number of American coronavirus cases is now at over 500 and involves some 30 US states.

California officials are also battling to contain an outbreak on a cruise ship off the coast where 21 people have tested positive for the virus among the 3,500 people on board.

- 'too great a risk' -

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"There is too great a risk, at this time, to the public health of the Riverside County area in holding a large gathering of this size," said doctor David Agus, professor of medicine and biomedical engineering at the University of Southern California.

"It is not in the public interest of fans, players and neighboring areas for this tournament to proceed. We all have to join together to protect the community from the coronavirus outbreak."

The virus now known as COVID-19 originated in Wuhan, China, late last year and quickly spread across the globe.

The illness affects the respiratory tract and can be transmitted through coughing, sneezing and contact with those infected or with surfaces where the virus is present. Symptoms include fever, coughing and difficulty breathing.

In Italy, the hardest-hit European country with 366 deaths from the virus, the Serie A football season has descended into controversy because of match cancellations and player resistance to competing in empty stadiums.

Among other sports disruptions worldwide, the start of Japan's J-League has been postponed. The Chinese Formula One Grand Prix was cancelled and the Bahrain Grand Prix is set to be held without spectators.

In the United States, the NBA has warned teams to prepare for the possibility of playing games in empty stadiums.

The NHL is also monitoring the outbreak and indicated it wouldn't object if teams choose to limit access to players by media in the locker room. (AFP)

(This is an unedited and auto-generated story from Syndicated News feed, LatestLY Staff may not have modified or edited the content body)