Group A Streptococcus Antigen Rapid Test Kit is an in vitro diagnostic test for the qualitative detection of group A Streptococcus in human throat swab specimens. This product is intended to be used by laboratory professional and health care workers at point-of-care. Group A Streptococcus (GAS) is a common bacterium, also known as Streptococcus pyogenes, which is more harmful and generally infects the human body through surface wounds or throats.