Pneumonia caused in healthy calves by contact exposure to coughing calves.
D000818:Animals; D001831:Body Temperature; D002417:Cattle; D002418:Cattle Diseases / Q000382:microbiology / Q000635:transmission*; D011014:Pneumonia / Q000382:microbiology / Q000635:transmission / Q000662:veterinary*; D018108:Respirovirus / Q000302:isolation & purification