The company's principal activity is the development, manufacturing and marketing of medical collection devices and rapid immunoassays for use in the detection of infectious diseases. The company's products fall into two categories: rapid immunoassays and medical specimen collection devices. The company has developed four rapid tests utilizing immunochromatography for the detection of antibodies to selected pathogens, including HIV and helicobacter pylori. Rapid immunoassays products include sero-strip HIV, hema-strip HIV and saliva-strip HIV. Medical specimen collection device includes omni sal(r). This product is a patented saliva collection device currently sold to several commercial companies for use with their laboratory assays for the detection of HIV infection, drugs-of-abuse and cigarette smoking. The company markets its products in the United States, the United Kingdom, Canada and Africa.