A solution of 1 to 9 of household bleach will kill fungi & bacteria, but I
would leave it overnight & rinse thoroughly. If you have any suspicion of
virus, you will need a 1 to 4 solution.
Iris,
Central NY, Zone 5a, Sunset Zone 40
"If we see light at the end of the tunnel, It's the light of the oncoming
train."
Robert Lowell (1917-1977)