Tuberculosis, or TB, is a disease that infects nearly 11 million people worldwide, killing some 1.25 million of them every year, per data from the World Health Organization. A person infected with the ...

Medicare Part B may cover the costs of a purified protein derivative (PPD) test if your healthcare professional deems it necessary to diagnose tuberculosis (TB) due to existing symptoms. A PPD test ...

A new study published in the journal Scientific Reports says that for the first time a vaccine has been created against bovine tuberculosis that can be given without affecting the ability to diagnose ...

Will a positive purified protein derivative (PPD) test return to normal, i.e., become nonreactive, after isoniazid treatment? —Maj. James R. Northern Sr, DO, Mexico, Mo. In an immunocompetent patient, ...

Your doctor may use an acid-fast bacteria (AFB) stain test to see if you have a lung disease like tuberculosis (TB). In addition to showing tuberculosis, an AFB stain can also show if you have another ...