Air conditioning helps keep indoor spaces comfortable, but poorly maintained systems can allow moisture, warmth and biofilm to support Legionella growth. The bacteria spread through inhaled water aerosols, not person to person. Understanding high-risk HVAC areas and maintaining coils, drains and internal surfaces with regular cleaning and antimicrobial hygiene reduces Legionnaires’ disease risk, especially during Australia’s hot months in commercial, healthcare and residential settings nationwide. Visit: https://www.aussiepharmadirect.com.au/blogs/news/how-your-hvac-system-might-increase-risks-of-legionnaires-disease