A total of 473 people screened for tuberculosis in Bedok have tested positive for the bacteria, the Communicable Diseases ...
Ten years ago, a colleague’s purified protein derivative (PPD) test was read by several physicians as being positive at 13-mm induration. Disturbed by the results, we tried testing with PPD again. The ...
SAN FRANCISCO (KRON) — Nearly one in five students and staff at a Catholic high school in San Francisco had latent or active ...
The highly contagious disease can be deadly if left untreated.