Complex sentence: Bacteria and viruses because of their small size readily become airborne as bacterial aerosols and can remain suspended in the air for hours, and because of this, adequate precautions and mitigation techniques need to be taken with indoor air quality in hospitals dealing with infectious diseases.
Split into simpler sentences: Bacteria and viruses, because of their small size, readily become airborne as bacterial aerosols and can remain suspended in the air for hours. Because of this, adequate precautions and mitigation techniques need to be taken with indoor air quality in hospitals dealing with infectious diseases.