Andy Murray still holds out hope of making his comeback at the Miami Open later this month — providing it does not become tennis's first significant tournament to fall victim to coronavirus.
Miami officials have cancelled the popular Ultra music festival that was due to take place beforehand, and a carnival in the Little Havana area has also been postponed.
Organisers are still working on the basis that the Masters event at the Dolphins' Hard Rock Stadium, featuring all the world's top men and women and beginning on March 23, can survive, but the situation is moving fast.