Fact sheet on polio describes its symptoms as well as how it is contracted and how it is prevented.

This is a detailed overview of the Fascioliasis parasite. The overview includes information about the infectious agent, life cycle, distribution, symptoms and treatment options.

The purpose of this lesson is to relate the action of vaccines to the human immune system. In this lesson, students will explore infectious disease and immunity and learn how vaccines help the body defend itself against infectious diseases.

Short article by Harvard M.D. about preventing and vaccinating against Lyme disease.

This page presents the text of Louis Pasteur's "Germ Theory and its Applications to Medicine and Surgery" (1878). It provides information about the origin of the germ theory of disease.

Find out about several diseases such as Mad Cow and Creutzfeldt-Jakob, which are examples of diseases caused by prions, or protein infections.

A good article on the infection of HIV and the subsequent disease. Discusses transmission and symptoms. Original resource from 2008 U. S. National Institute of Allergy and Infectious Diseases.

Article and an interview with the Director of the National Institute of Allergy and Infectious Diseases discusses the recent report of a second baby cleared of the HIV virus by a regimen of antiretroviral drugs abd what implications this...

An explanation and illustration of papillomas, the scientific term for warts that appear on the hands and feet. If warts appear on the genitals the term is condyloma acuminata. The Human Papilloma Virus (HPV) is examined including the...

A diagnosis of herpes includes a discussion with the patient on recent sexual practices, cold sores on genitals, the Tzanek smear, and Cytopathic cultures. An antibiotic treatment for the immune suppressed and the prevention of herpes...

Learn the different kinds of drug resistance and ways to treat that resistance. Discussion includes treating patients who have relapsed with the same infection or a new TB infection.

Learn how to help prevent tuberculosis by using the "4I's" model: Intensive Case Findings, Isoniazid, Isolation, and Immunization.

Preventing tuberculosis transmission includes the following: medication, isolation, surgical mask, distancing/spacing from other, air purifying respirator, and HEPA filter.

Discover how clinical clues including chest X-ray, TB skin test, and Sputum sample, can determine if someone has an active TB infection.

Discover how the cut off for a "positive PPD" depends on clinical clues.

The effects of tuberculosis has on the lungs and the clinical signs associated with it. Also discussed is pleural tuberculosis.

Key features of primary TB and how it differs from secondary TB.

An explanation of how tuberculosis causes damage to lungs and other organs in the body. Latent and secondary tuberculosis is also examined. Of note is once infected with tuberculosis it's with you forever and may cause subsequent issues.

How the Mantoux test is administered and how it works when determining if a person has tuberculous.

The second of a two-part lesson about how tuberculosis can spread beyond the lungs effecting the bones, central nervous system, gastrointestinal tract, and heart.

A two part lesson about how tuberculosis can spread beyond the lungs extending to the lymph nodes and the genital urinary tract.

A description of how many lives TB affects throughout the world.

An explanation of how tuberculosis spreads, its affects on the lungs, latent TB infection vs active TB infection, and constitutional symptoms of TB.

An explanation of when testing for influenza makes sense, and the most common test that is used.