Other sound but basic advice is for people to use sand to fill pools where mosquitoes might breed, to empty and bury any containers that might fill with rain, and to store water for drinking, cooking and washing in covered containers.
It seemed he might get a reprieve when rain halted play with Berdych leading 6-4 3-4 but they returned to court at 8.40pm and, not for the first time this week, Murray failed to get going after the break.