Early Dog Exposure May Shield Babies From Infections –Study

Children exposed to dogs during infancy may enjoy better health, fewer respiratory infections and reduced antibiotic use. These are the findings of a new Finnish study that highlights the protective role of dog-associated microbes in strengthening early immunity.

The study, conducted by researchers from the Finnish Institute for Health and Welfare, Kuopio University Hospital and the University of Eastern Finland, found that babies living in homes with dogs experienced fewer respiratory tract infections, spent more healthy weeks during their first year of life and required fewer antibiotic treatments than those without dog exposure.

Published in ‘Pediatric Allergy and Immunology,’ the research analysed nearly 400 Finnish families and revealed that specific microbes introduced by dogs—not simply a greater diversity of household bacteria—accounted for up to one-quarter of the protective effect observed.