Tuberculosis

Mycobacterium tuberculosis

Bacterium causing TB, spreads via airborne droplets

Tubercles

Lymphocyte-formed nodules that trap TB bacteria

Latent TB

Non-symptomatic, non-transmissible stage

Active TB

Symptomatic, contagious phase of infection

René Laennec

Inventor of the stethoscope; mapped TB via sound, denied contagion theory

Jean Villemin

Proved TB contagion by infecting rabbits

Robert Koch

Isolated TB bacterium in 1882; developed germ theory techniques

Tuberculin

Failed vaccine by Koch, used diagnostically

Joseph Lister

Popularized sterilization in surgery (linked to TB control)

BCG Vaccine

1921 vaccine made from M. bovis by Calmette & Guérin

Sanatorium

TB treatment facility emphasizing air, rest, morality

Preventorium

Pediatric facility for children with latent TB

“Consumption”

Old term for TB; linked to romantic, spiritual wasting

“Consumptive chic”

Fashion trend idealizing TB's aesthetic symptoms

Lysol

Disinfectant marketed to women; linked hygiene to morality and contraception

Anti-spitting laws

Urban sanitation laws aimed at curbing TB transmission

Pasteurization

Heating milk to kill M. bovis; reduced TB from dairy

Rice powder

Cosmetic used to mimic TB pallor

Surveillance

Public health monitoring of TB cases; early biopolitics

Racialized immunity

Myth that Black people were immune to TB; used to justify slavery