Chembio Diagnostics, Inc. is a medical company that creates and manufactures point-of-care diagnostic tests to diagnose various types of illnesses, including COVID-19, HIV, Syphilis, and Zika virus. They also have developed tests for other diseases like dengue, malaria, Chagas, and ebola. The company sells its products internationally using their own trademark, and they have collaborations with important organizations and government agencies to continue researching and developing new tests.