COVID-19 Testing of United States-Bound Agricultural Workers in Mexico.

The COVID-19 pandemic presents global health, welfare, and economic concerns. The agricultural workforce has experienced adverse effects, placing the U.S.

Smears and cultures for diagnosis of pulmonary tuberculosis in an asymptomatic immigrant population.

Background: The World Health Organization estimated in 2010 that 8.8 million new tuberculosis (TB) cases. About one-third of the world's population is infected and 10% will develop active TB disease.