Integrity
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Zoonotic Diseases
(Shipping or transport fever, hemorrhagic septicemia) AGENT:Pasteurella multocida, small, nonmotile, polymorphic, gram-positive bacilli RESERVOIR AND INCIDENCEInhabits the oral cavity and upper respiratory tract of many animals (rabbits, rodents, dogs, cats, mice, birds, swine). Dogs and cats are frequently healthy carriers. TRANSMISSION:All animals and birds may be colonized by pasteurellas, and human infection occurs by wound infection from bites or scratches. Animal-to-animal transmission may occur by ingestion and inhalation. 1986 case report of meningitis in a woman who kissed her dog (cultured positive for organism) and also had dental caries which was considered to be the route of infection. DISEASE IN ANIMALS:Can cause acute pneumonia or septicemic disease in many species. May cause chronic infection of upper respiratory and middle ear especially in the rabbit. DISEASE IN MAN:Local inflammation occurs around the bite or scratch, possibly leading to abscess formation with systemic symptoms. TREATMENT:Penicillin, tetracycline, or cephalosporin PREVENTION/CONTROL:Proper treatment of bite. Protective clothing (mask, gloves). Euthanize aggressive dogs and cats. Vaccinate cattle and sheep. |