Dogs significantly change air in homes, say Swiss scientists

Dogs influence the air quality in homes. A study from Lausanne has measured for the first time the gases, particles and microbes that four-legged friends bring indoors. +Get the most important news from Switzerland in your inbox The researchers see the results as a basis for more realistic models of indoor air, the Swiss Federal Institute of Technology Lausanne (EPFL) said on Monday. The influence of humans on the air has been well researched. However, the researchers say that the impact of pets has hardly been considered to date.