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  1. 5 days ago · Rocky Mountain spotted fever (RMSF) is a serious disease caused by Rickettsia rickettsii and should be treated immediately if suspected, due to its high mortality rate in the absence of appropriate medical intervention. Treatment should not be delayed for laboratory test results.

  2. 3 days ago · 1. Yellow Fever. The quarantine station on Staten Island. Image from New York Public Library. In August 1793, a yellow fever epidemic hit Philadelphia, killing around 5,000 residents out of...

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  4. 2 days ago · Symptoms typically appear abruptly, and may include high fever, chills, joint and muscle pains, severe headache, eye pain and injection, nausea, and vomiting lasting 3-5 days. The spleen and liver may be palpable, and a few patients will display a nonspecific petechial or maculopapular rash.

  5. 5 days ago · 5 Conditions Affecting Equine Muscles. Learn about fibrotic myopathy, MFM, botulism, PSSM, and HYPP and how they affect horses. Healthy muscles that contract properly allow horses to move swiftly...

  6. 4 days ago · Fescue toxicosis in horses results from ingestion of fescue grass contaminated with the fungus Neotyphodium coenophialum. The fungus produces ergot alkaloid toxins which cause changes in hormone concentrations and blood flow in pregnant mares grazing contaminated pastures or hay.

  7. 4 days ago · For example, some ticks spread Lyme disease, Rocky Mountain spotted fever, and tularemia to humans. Most of those illnesses have common symptoms.

  8. 3 days ago · any of various febrile diseases occurring in mountainous regions; equine infectious anemia… See the full definition