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Rare Infectious Diseases

The world's rarest infections can produce some of the scariest headlines, but educating yourself on how to avoid or spot these conditions can ease your concerns.
Doctor talking to woman patient in his office
John Cunningham Virus: Symptoms,Causes, and Treatment
School vaccinations in Washoe County, Nevada
How Smallpox Is Treated
medical team discussing a case
Smallpox: Causes and Risk Factors
illustration of amoeba
Amoeba Infections That Cause Brain Disease
Smallpox virus, illustration
Smallpox: Overview and More
Guinea worm disease
Guinea Worm Disease: Symptoms, Causes, and Treatment
elephantiasis
Elephantiasis: Symptoms, Causes, Diagnosis, Treatment
Ebola virus
Ebola (EBV): Overview and More
Father looking at doctor examining son in hospital
How Smallpox Is Diagnosed
Deer tick on a finger
Babesiosis: Symptoms, Causes, Diagnosis, and Treatment
Young boy with fever
Smallpox: Signs, Symptoms, and Complications
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Can a Cat Scratch Infect Me?
Cat sleeping on bed at owner's feet
Cat Infections That Can Spread to Humans
OCP project employee collecting adult black flies, the vector for river blindness.
River Blindness: Symptoms, Causes, Diagnosis, Treatment
Hookworm
Hookworm: Symptoms, Causes, Diagnosis, and Treatment
A person changing the filter on an air conditioner.
Legionnaires’ Disease: Overview and More