In-depth

Causes

Diphtheria

Diphtheria — Comprehensive overview covers symptoms of this infection that's preventable with a vaccine.

Genital herpes

Rubella

Toxoplasmosis

Toxoplasmosis is an infection caused by a parasite. It doesn't make most people ill, but infants and people with HIV/AIDS are at risk of complications.

Risk factors

HIV/AIDS

Hodgkin's lymphoma

Symptoms

Runny nose

Tests and diagnosis

Chest X-rays

Complete blood count

A complete blood count can be used to evaluate your overall health, detect a wide range of disorders, or monitor a medical condition or treatment.

CT scan

Needle biopsy

Jan. 02, 2014