Rare Infections

An Overview of Marburg Virus

An Overview of Marburg Virus

Marburg virus disease is a rare but highly fatal disease that causes hemorrhagic fever similar to ebola. Marburg virus disease is a deadly, but rare, hemorrhagic fever similar to Ebola. While the disease typically starts out like many other tropical...

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Amoeba Infections That Cause Brain Disease

Amoeba are one-celled organisms that usually harmlessly coexist with humans. It is rare, but they can fatally affect the brain.​ Find out how. Free-living amoebas are single-cell organisms that can survive in the environment without any kind of...

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An Overview of Guinea Worm Disease

Guinea worm disease, or dracunculiasis, is a rare and painful neglected tropical disease caused by a parasitic worm. Dracunculiasis, or Guinea worm disease, is an extremely rare neglected tropical disease primarily affecting remote and impoverished...

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Can a Cat Scratch Be Dangerous?

Cats can be cute—but they bring home more than mice. Scratches and bites can cause infections, from cat-scratch disease to MRSA bacteria to rabies. The cat, all wide eyes and deep meows, is good at demanding our attention. This...

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What Is Ebola?

Ebola is a rare but deadly viral infection seen in Central and Western African countries. Reviewed by a board-certified internal medicine physician. Ebola is a rare but deadly virus almost exclusively found in Central and Western African countries....

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An Overview of Elephantiasis

Elephantiasis is a neglected tropical disease caused by a parasitic infection that can lead limbs and other body parts to become abnormally large. Lymphatic filariasis, commonly referred to as elephantiasis, is a neglected tropical disease caused by...

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Causes and Risk Factors of Smallpox

Smallpox is caused by the variola virus, which is transmitted via face to face contact with infected patients. Much of the population is susceptible. Smallpox is caused by the variola virus and is only known to be transmitted between humans. Live...

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How Smallpox Is Treated

No cases of smallpox have occurred naturally since 1977, which makes it very difficult for doctors to develop treatment protocols beyond vaccination. When smallpox was still a naturally occurring medical disease, treatment was often supportive....

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An Overview of John Cunningham Virus

John Cunningham virus (JC virus) is another name for human polyomavirus 2. While rare, it can cause a potentially fatal brain infection. John Cunningham virus (JC virus) is another name for human polyomavirus 2. The virus is very common; between 70%...

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An Overview of Marburg Virus

Marburg virus disease is a rare but highly fatal disease that causes hemorrhagic fever similar to ebola. Marburg virus disease is a deadly, but rare, hemorrhagic fever similar to Ebola. While the disease typically starts out like many other tropical...

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An Overview of Eastern Equine Encephalitis

Eastern equine encephalitis, or Triple E, is a rare potentially fatal viral infection spread by mosquitoes. Eastern equine encephalitis (EEE) is a rare but potentially life-threatening illness caused by the eastern equine encephalitis virus...

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