Smallpox

Variola - major and minor; Variola

Smallpox is a serious disease that is easily passed from person to person (contagious). It is caused by a virus.

Smallpox lesions

Smallpox is a contagious disease caused by a virus. Smallpox virus has been eradicated worldwide through successful vaccination and treatment programs, and now exists only as a stored virus in a few research centers. Symptoms include a severe rash (which leaves scars), fever, headache, vomiting and diarrhea.

Causes

Symptoms

Exams and Tests

Treatment

Outlook (Prognosis)

Possible Complications

When to Contact a Medical Professional

Prevention