11.1 Transmission of TB and contact investigation

exp date isn't null, but text field is

Mycobacterium tuberculosis is an airborne pathogen that is transmitted from someone with infectious TB.

The risk of acquiring TB infection is related to the intensity and duration of exposure to a person with infectious TB. Therefore, household and close contacts of people with infectious TB, particularly contacts who live in the same house, are at the highest risk of acquiring TB infection.