Does [ Positive sputum smear result after two consecutive negative smears during treatment of pulmonary tuberculosis ]?
In patients whose sputum smears gave positive results after 2 consecutive negative smear tests, the bacterial load of the sputum decreased or disappeared after treatment for 1 month or longer, and bacterial discharge was almost completely absent after treatment for 2 months or longer. If the clinical condition is favorable in such cases, we may judge that they are no longer infectious.
The methyl- metabolism pathway contributes to LuxS regulation on biofilm formation and auiduricity of Strecptococcus mutans.