Introduction In Hong Kong, tuberculin skin test (TST) with a 15 mm cut-off was used at 0 and 3 months for contact screening, but half of future tuberculosis cases might be missed. Follow-on interferon ...

SINGAPORE — Physical lessons will resume at Victoria Junior College (VJC) on Monday (May 17), after all students, staff members and vendors tested negative for Covid-19. The school shifted to full ...

A man in a car looks down at his phone. “No cancer signal detected,” says a message on the screen. The man closes his eyes and smiles in relief. Why are so many young people getting cancer? What the ...

The United States is on track to see negative net migration for the first time in at least five decades, according to CNN, as President Donald J. Trump fulfills his promise to end the migrant invasion ...