Contamination of Hotel Water Distribution Systems by Species: Environmental Surveillance in Campania Region, South Italy.

The COVID-19 pandemic period was marked by the absence or reduced circulation of some infectious diseases. Legionellosis may have been affected by the prevention measures adopted to counter COVID-19. Legionellosis is a form of pneumonia interstitial that is normally transmitted via aerosol-containing bacteria (genus ), that could be present in contaminated water sources and is often associated with travel and with staying in hotels.