Health officials emphasize those students don't necessarily have TB, but they have been exposed to the bacteria which causes the respiratory disease. Dr. Hathaway noted that most people who are exposed to the TB bacteria do not develop the primary disease. Further testing of the 41 students identified by testing will take place over the next several weeks.
Tuberculosis is an airborne illness and is easily treated when it is found.
It has an incubation period of four to six weeks.