Highly likely there is mold somewhere in your home right now. All it takes for mold to thrive is moisture in a space that is not ventilated well. There are many anti-mold cleaners that are very effective on mold you see. It’s the mold you don’t see that is usually the cause of health related issues.
Mold remediation is the process of removing mold spores from surfaces and in the air and ensuring that the moisture source contributing to the mold growth is addressed so that the mold does not come back.