Chembio Diagnostics Announces CE Mark for DPP SARS-CoV-2 Antigen and IgM/IgG Test Systems Enters Exclusive U.K. and Ireland Distribution Agreement with Luas Diagnostics HAUPPAUGE, NY, January 14, 2021 — Chembio Diagnostics, Inc. (Nasdaq: CEMI), a leading point-of-care diagnostic company