This class is will be extremely thorough in addressing mold and toxicity. It will start by covering topics from mold basics and behavior, building basics, moisture understandings, remediation and mitigation basics and more. Then it will cover health impacts, complications, and an overview of testings and treatment approaches. More info here.
This video is a free short course and comes with a PDF buyers cheat sheet to download. It covers types of air filters from charcoal to UV lights and what they can filter. The last thing anyone wants to do is invest in the wrong filtration rendering it ineffective or partially effective.