With coronavirus spreading across the globe, a number of sporting events have already been cancelled in a bid to contain the virus.
Thoughts are now turning to this year's Summer Olympics, which are set to take place in Tokyo, Japan, from July.
The International Olympic Committee says it remains fully committed to staging the Tokyo 2020 Games as scheduled, despite concerns over athletes and spectators travelling to the city amid the outbreak.
President of the committee Thomas Bach recently said after a board meeting that "neither the word ‘cancellation’, nor the word ‘postponement’ was even mentioned".
But has the Summer Olympics ever been cancelled before?
It's actually very rare for the event to be abandoned completely, with only three being cancelled since the first games in 1896.
And, on each of those occasions, it was due to war.
The 1916 Summer Olympics, which were scheduled to take place in Berlin, eventually had to be cancelled after organisers initially believed World War I would be over the the time the event came around.
The German city had to wait another 20 years before it was given the chance to host the event again.
The outbreak of World War II caused the cancellation of two summer games - the 1940 Summer Olympics in Helsinki and the 1944 Summer Olympics in London.
Because of the cancellation, London went on to host the 1948 games, the first event after a 12 year hiatus due to war.
World War II also led to the cancellation of the Winter Olympics in 1940 and 1944.
For the latest on the outbreak, follow our coronavirus live updates here.
In 2016, there were concerns that the outbreak of the mosquito-borne zika virus could lead to a cancellation of the Rio Olympics in Brazil - but it went ahead as planned, despite some athletes deciding to boycott the event.
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