March 24th is World Tuberculosis Day. While it’s fairly common to require a tuberculosis, or TB, skin test as a condition of employment, most people will know that means that TB is contagious… but probably not much else.

Tuberculosis is a bacterial lung disease, and while once extremely rare to find outside of developing countries, TB became more common in developed nations with the rise of HIV and AIDS, making more people more susceptible to catching the diseas