Khan Academy

Polio epidemiology (K-A)

Polio vaccinations (K-A)

Poliomyelitis diagnosis and treatment (K-A)

Poliomyelitis pathophysiology (K-A)

Diagnosis, treatment, and prevention of chlamydia (K-A)

What is polio? (K-A)

Diagnosis, treatment, and prevention of herpes (K-A)

Diagnosis, treatment, and prevention of syphilis (K-A)

What is polio?-video (K-A)

Pathophysiology of chlamydia (K-A)

Pathophysiology of herpes (K-A)

Pathophysiology, diagnosis, treatment, and prevention of gonorrhea (K-A)

What are sexually transmitted diseases? (K-A)

What are warts? (K-A)

Diagnosing active TB (K-A)

Drug-resistant TB (K-A)

What is bacterial vaginosis? (K-A)

Extrapulmonary TB (part 1) (K-A)

What is chancroid? (K-A)

Extrapulmonary TB (Part 2) (K-A)

What is chlamydia? (K-A)

What is congenital syphilis? (K-A)

Interpreting the PPD (K-A)

What is gonorrhea? (K-A)

Mantoux test (aka. PPD or TST) (K-A)