Mysterious Dog Illness Spreads Across States, Threatening Lives

A highly contagious and potentially fatal respiratory illness is spreading among dogs in several states, causing concern among dog owners and veterinarians. The illness starts as a persistent cough that does not respond to normal treatments and can progress rapidly to severe pneumonia, leaving dogs struggling to breathe. The outbreak was first detected in Oregon, with over 100 reported cases, and has since spread to other states. Veterinary authorities are investigating the illness and urging caution, leading to event cancellations and temporary restrictions on accepting dogs at shelters.