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.

An explanation of what the names H1N1 and H3N2 mean and why they are helpful in keeping track of different flu viruses.

An explanation of the three types of influenza viruses (Type A, Type B, and Type C) and what makes them different from one another.

Learn how influenza viruses get into and out of cells using Hemagglutinin and Neuraminidase proteins on their surfaces.

Find out how the flu spreads from person to person, and who is at the greatest risk of getting complications of the flu.

Learn the difference between the cold and the flu, and how viruses can complicate diagnosis.

A discussion of the available pertussis vaccines and how each varies in their components that comprise the vaccine even though all of the vaccines have the same goal of generating antibodies against pertussis.

Although pertussis can best be diagnosed within the first two weeks of symptoms by a swap sent to a laboratory, other swab tests can be administered later in the illness. Treatment within the first two weeks of initial symptoms is with...

Understand the differences between TIV (dead virus) and LAIV (alive, but weakened virus) and the population that should get which one.

Discover how Type B Influenza virus has genetic drift, whereas Type A Influenza virus has genetic drift and shift.

An explanation of how useful the flu vaccine actually is at preventing the flu.

An explanation of how genetic material in Type A flu virus can get shuffled around to create brand new types of viruses.

An explanation of the antiviral drugs, Oseltamivir and Zanamivir, which can be use to treat and help prevent the flu.

Many people choose to avoid the flu vaccine each year. Review five popular excuses, and how they relate to common misunderstandings about the flu.