Environmental contamination via surfaces appears to be a secondary route of transmission, and “the virus survives best on smooth surfaces, such as countertops and doorknobs,” Golab said. “Porous materials, such as pet fur, tend to absorb and trap pathogens, making it harder to contract them through touch.”

 

Because other diseases are known to spread between people and animals, the association recommends that people always wash their hands before and after dog petting.