Just our 2 cents worth
The most effective way to deal with spills is to clear them immediately. You can use a dry, white cloth to absorb the soil and dab at the affected area without spreading it. The likelihood of effective stain removal is inversely related to the age of the stain. Contact professional help as soon as possible for most effective stain removal.
Though our cleaning process we may be able to remove moulds or other issues as best as we could, the best way you can protect your furniture and rugs from such ailments is prevention. Simply control the humidity in which those items are enclosed in, because humidity that is the climate such issues thrive on. It is recommended that air conditioning or dehumidifiers are used occasionally and especially on more humid days, to keep furniture and carpets in good condition and extend their lifespan.