Definition & Etiology
Definition
Infectious notifiable disease caused by Mycobacterium tuberculosis
Can present as latent (5-10% risk of lifetime reactivation) or active form (symptomatic & progressive with possible extrapulmonary manifestation)
Prevalence
Each active case can cause 10-14 infectious spreads per year.
75.4% of UK notifications from new entrants from high-prevalence areas
Etiology
Spread via infectious droplets from pulmonary/laryngeal TB through coughing