Infectious Disease Icons

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.
Marburg virus illustration
Marburg Virus: Symptoms, Causes, Diagnosis, and Treatment
Q-fever-coxiella-burnetii
What is Q Fever?
Doctor talking to woman patient in his office
What Is JC Virus?
School vaccinations in Washoe County, Nevada
How Smallpox Is Treated
medical team discussing a case
Smallpox: Causes and Risk Factors
illustration of amoeba
Here Are the Amoebas That Can Cause Fatal Brain Disease
Guinea worm disease
An Overview of Guinea Worm Disease
elephantiasis
What Is Elephantiasis and How Is It Treated?
Ebola virus
Ebola: Symptoms, Causes, Diagnosis, and Treatment
Father looking at doctor examining son in hospital
How Smallpox Is Diagnosed
Deer tick on a finger
How Babesiosis Is Spread by Deer Ticks
Young boy with fever
What You Need to Know About Smallpox Symptoms
Catch with claws around owner's arm
Can a Cat Scratch Be Dangerous?
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.
An Overview of Onchocerciasis (River Blindness)
Hookworm
An Overview of Hookworm
A person changing the filter on an air conditioner.
Legionnaires’ Disease: Symptoms, Causes, Diagnosis, and Treatment