PHILADELPHIA (AP) — Philadelphia Phillies closer José Alvarado was suspended for 80 games on Sunday following a positive test for external testosterone under Major League Baseball’s drug-testing ...

The measles vaccine is made of live, weakened virus, which is not contagious but can show a false positive when tested. “When we test for measles, the first is very sensitive and can pick up ...

Health officials say that is what triggered his positive test result. His case will no longer be counted as a confirmed measles infection in Michigan. The child was not contagious. A 1-year-old ...

Patients who had received BCG vaccination were more likely to have a positive skin test (5 TU PPD: relative risk (RR) 2.12 (95% confidence interval (CI)1.50 to 3.00); 2 TU RT23: 26.50 (95% CI 1.83 to ...

Tuberculosis ... read the test results yourself," says Roess. When checked by a healthcare professional, "an induration on the skin of 15 millimeters or more is usually considered a positive ...

"you may be given instructions for how to read the test results yourself," says Roess. When checked by a healthcare professional, "an induration on the skin of 15 millimeters or more is usually ...