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Keratoconjunctivitis sicca (KCS), also known as dry eye, is a common eye problem in dogs. It is typically the result of inadequate tear production or a deficiency in the quality of tears produced. Two tear glands, the lacrimal gland and nictitans gland (also called the gland of the third eyelid) are responsible for tear production and play a huge role in maintaining the health of your dog’s eyes. Tears supply nutrition to the cornea, keep the surface of the eye lubricated, and wash away debris from the eye. Inadequate tear production can lead to painful, red eyes and thick ocular discharge. KCS can affect one or both eyes. Some dogs may even develop corneal ulcers and a bacterial infection of the white of the eye secondary to KCS. A dog’s eye with the third eyelid exposed

Feline upper respiratory infections (URIs) are similar to the common cold in humans as they include signs such as sinus congestion, sneezing, fever, and runny eyes, but may be caused by several different viruses and bacteria. The two most common causes of a feline URI are feline herpesvirus type 1 (FHV-1) and feline calicivirus (FCV). While it can be difficult to distinguish between the two viruses in an infected cat, FHV-1 causes cats to be quite ill and tends to cause inflammation and ulceration of the eyes and nose. FCV tends to affect the mouth and lungs and is more commonly associated with mouth sores. When a cat becomes infected with FHV-1 or FCV, they are also susceptible to infection with other bacteria such as Staph and Strep. Aside from viral infections, feline URIs can have bacterial causes as well, the most common of which include Chlamydia, Mycoplasma, and Bordetella. Bordetella is an organism implicated in canine kennel cough. Feline URIs spread through close contact with an infected cat. Environmental contamination by secretions from the nose, eyes, or mouth become important modes of transmission in crowded environments such as shelters and catteries, especially with FCV. Cats recovering from such an infection can also shed the virus for months afterwards. Feline URIs are incredibly common – they are the leading disease concern in shelters with incidence rates as high as 30%. Cats infected with FHV-1 in particular, like all herpes viruses, will carry the disease for life. The virus will lay dormant until triggered by stress, causing a flare up.

Canine distemper, sometimes referred to as hardpad disease, is a highly contagious and potentially lethal disease caused by a virus (canine distemper virus, or CDV) that attacks multiple systems within the body, including the respiratory, gastrointestinal, and nervous systems. This widespread infection throughout the body can make treatment difficult, which can be further complicated by subsequent bacterial infections as a result of the dog’s weakened immune system. Some dogs which appear to recover from canine distemper can develop neurologic signs months to years after initial infection. Young puppies develop CDV brain inflammation quite soon after infection. If CDV persists in the brain after the infection is cleared elsewhere in the body, progressive inflammation occurs in the brain and results in neurologic abnormalities. This syndrome is called old dog encephalitis and the damage to the nervous system is permanent. Dogs are not the only species that can contract distemper – wild animals such as raccoons, skunks, foxes, wolves, coyotes, mink, ferrets, and some wild felids such as cheetahs, lions, and jaguars are all possible hosts to the virus. While humans are not at risk for contracting this disease, the canine distemper virus is closely related to the virus that causes measles in humans. CDV spreads through air droplets which are expelled when an animal sneezes or coughs. Dogs become infected either through direct contact with an infected animal or through airborne exposure. Mother dogs with the virus can also pass it along through the placenta to their puppies. Dogs with canine distemper can shed the virus for weeks to months after infection.

As fun and festive as the holiday season may be, it can be a confusing and dangerous time for our pets. Decorations pose unique risks and that includes Christmas trees. If your celebration includes setting up a tree, be sure to take precautions to keep pets safe. Here are 8 tree-trimming tips to keep in mind: 8 Ways to Pet-proof Your Christmas Tree Opt for plastic or wooden ornaments instead of glass, which can break and cause injury. Avoid using edible decorations to reduce temptation. Toss out the tinsel — it can cause severe damage to your pet’s intestinal tract if ingested. String lights and power cords can cause oral burns and electric shock if chewed. Hang them near the top of the tree or skip them altogether. Anchor your tree to the wall or ceiling to prevent pets from knocking it over. Sweep up pine needles, which can cause GI upset or a foreign body obstruction if too many are swallowed. Cover up the tree stand to prevent pets from drinking the water, which can contain pesticides, fertilizer, or bacteria. Don’t put wrapped gifts under the tree, especially if there’s food inside. Keep presents in a safe place until it’s time to open them.

Rabbit hemorrhagic disease virus 2 (RHDV2) is a highly contagious and usually fatal virus that affects both wild and domestic (“pet”) rabbits. The virus can be transmitted not only from rabbit to rabbit, but via food, bedding, or other contaminated materials. A vaccination for the virus has existed for years in Europe and other parts of the world, but not in the United States. In October 2021, a new U.S.-developed vaccine received emergency authorization from the USDA. In preliminary studies, the vaccine proved highly effective in preventing disease with minimal side effects. The vaccine series consists of the initial vaccine and a booster shot approximately 3 weeks after the initial dose. A rabbit is considered fully protected two weeks after the booster shot.