CAJICA, Colombia – Chembio Diagnostic Systems Inc., a point-of-care diagnostic company focused on infectious diseases, received the approval from Anvisa, the Brazilian health care surveillance agency, to distribute its tests in the Latin American market. The approval adds yet another test to the hundreds already approved in Brazil, where the market for such tests is quickly getting crowded sending prices down. Brazil is one of the countries most affected by COVID-19 with almost 6 million cases and 166,000 deaths, the third highest number of cases in the world.