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COVID-19 is a viral respiratory disease of humans that was first discovered in late 2019. The illness is caused by the virus SARS-CoV-2, which is a new coronavirus that has not previously been identified in humans. Certain animals can be infected by the COVID-19 virus, but it appears to be infrequent. Dogs and cats seldom show severe clinical illness if infected with COVID-19.
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Cat bites can be dangerous both to other animals and to humans. All cats carry bacteria in their mouths that can cause tissue infections in bite wounds. These bites may lead to serious conditions such as cellulitis and/or septicemia. Immediately wash your wound and contact a physician as soon as possible to have the wound properly treated.
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Cat scratch disease (CSD) is caused by the bacteria Bartonella that is transmitted by cat fleas and other biting insects. Cats act as reservoirs for the bacteria. Humans are exposed to the bacteria through flea feces that contaminate skin lesions or eyes. Signs include fever, lethargy, enlarged lymph nodes, and lesions on the eye and skin. The disease is usually self-limiting; however, some people will require antibiotics, especially if they are immunocompromised. Tests are available for diagnosis in humans as well as in cats. The most important ways you can prevent CSD include strict flea control, good hygiene, keeping your cat indoors, and keeping your cat's nails trimmed.
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This handout summarizes Chagas disease in dogs. Caused by a protozoal parasite called Trypanosoma cruzi, it is spread by the bite of infected insects or ingestion of infected insects and rodents. The clinical signs of the condition, along with its treatment, prevention, and risk to human health are outlined.
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Cheyletiellosis in rabbits is a condition caused by the common rabbit mite, Cheyletiella parasitovorax. This mite’s effects are sometimes called "walking dandruff" because they are large, whitish mites that crawl across the skin and hair of a rabbit and cause excessive flaky skin. Other clinical signs of cheyletiellosis include itching, scratching, and hair/fur loss. This species of mites can live in the environment for a short time and affect people and other animals, so it is important to follow your veterinarian's recommendations for treating the environment and all pets in the household.
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Chlamydial conjunctivitis in cats is highly contagious and can look similar to herpes conjunctivitis. Young cats and kittens are especially vulnerable to this infection, although chlamydia can be detected in cats of all ages. It is one of the most common causes of infectious conjunctivitis in cats. This handout describes the clinical signs and how this condition can be treated or prevented.
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Chlamydiosis (psittacosis, parrot fever, ornithosis) is a common disease of birds caused by a bacterial organism. The disease can cause chronic infections, infections without visible symptoms, or sudden death. The disease can also be transmitted to people, but it is not associated with the venereal form of chlamydia.
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Coccidiosis is an intestinal tract infection caused by a single-celled organism (protozoa) called coccidia. Coccidia are microscopic parasites that live within the cells that line the intestine. The most common clinical sign of coccidiosis is diarrhea, but most cats have no clinical signs.
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There are several problems that can occur in aquatic turtles. This handout discusses the most noted problems: calculi, tissue prolapses, irregular shell growth, shell fractures or trauma, algae on the shell, skin and shell sloughing, Salmonella infection that can be passed to humans, dystocia, and hibernation.
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COVID-19 is a disease caused by the coronavirus SARS-CoV-2. Current evidence suggests that person-to-person spread is the main source of infection. While there is evidence of transmission from humans to dogs and cats, it does not appear common. If you suspect that you are ill with COVID-19, you should take the same precautions with your pet as you would with people.

