Chembio Diagnostics Inc $Chembio Diagnostics(CEMI)$(NASDAQ: CEMI) is trading higher Friday after the company announced its launch of commercial distribution of SCOV-2 Ag Detect Rapid Test, a third party COVID-19 antigen assay. Chembio Diagnostics said product inventory is on-hand and immediately available for shipment to customers across the United States.The SCOV-2 Ag Detect Rapid Test provides results in 20 minutes from a nasal swab and requires no instrumentation.“We believe this product is an important addition to our portfolio at a time when testing volume is increasing as Delta variant infections are on the rise," said Charles Caso, vice president of sales and marketing for Chembio Diagnostics.Chembio Diagnostics develops, manufactures and