Monday, January 11, 2010 @ 2:55 AM
Received a letter from TanTockSengHospital,
Saying I was recently in close contact with a person who had infectious tuberculosis (TB).
TB is spread when a person with infectious active TB in the lungs (or throat) coughs and expels the TB germs into the air. A person with whom he or she is in prolonged close contact may then breathe in the air containing the TB germs and become infected with the TB germ.
A person who has infected with the TB germ has latent TB infection. The only way to identify a person wtih latent TB infection is through the tuberculin skin test (injection), which will show a "bump" at the side of the skin test after 48 to 72 hours. Please be assured that a person with latent TB infection is otherwise healthy, does not have active TB disease and is not infections to others.
Thanks to one of my classmate!