By RICARDO CASTILLO U.S. OKs Anti-Covid-19 Exports to Mexico, Canada The U.S. export prohibition of anti-Covid-19 personal protection equipment to Mexico and Canada has been lifted, according to a memo issued by the U.S. Customs Border Protection Agency. The ban included ventilators, mouth covers and balloons, which can now be acquired by Mexico. On Tuesday, April 14, Mexican President Andrés