Leslie A. Tengelsen PhD DVM


Cat-Scratch Disease

Cat-scratch disease (also commonly known as cat-scratch fever) is a bacterial infection that causes swelling and pain in the lymph nodes and loss of appetite. In most cases, it occurs after a scratch, bite, or lick from a cat or kitten. This infection is also called bartonellosis. Symptoms can vary from mild to severe…

Mad Cow Disease

Mad cow disease (bovine spongiform encephalopathy, or BSE) is a degenerative, usually fatal disease that affects the central nervous system of cattle, sheep, and goats. While humans cannot get mad cow disease, in rare cases they may get a human form called variant Creutzfeldt-Jakob disease (vCJD) if they eat nerve…

Brucellosis

Brucellosis is an infection caused by bacteria. It can be passed from animals to people. It sometimes causes long-term illness. Early in an infection, brucellosis can seem like the flu, with fever, weakness, and body aches. Brucellosis can get worse, especially if left untreated. The bacteria can attack many parts of…

Tularemia

Tularemia, also called deerfly fever or rabbit fever, is a disease that usually occurs in animals. But the disease can be passed to people through infected insects or animals or by exposure to contaminated water or dust. Humans are most commonly infected through: Being bitten by a tick, deerfly, or mosquito. Skinning…

Middle East Respiratory Syndrome (MERS)

Middle East respiratory syndrome (MERS) is an illness that was first found in Saudi Arabia in 2012 and has since spread to other countries. It’s caused by a type of coronavirus that can cause a moderate to severe upper respiratory illness such as the common cold. The virus is known as MERS-CoV. Experts believe MERS may…