Hepatitis test strips are rapid immunochromatographic assays that detect hepatitis viral antigens or antibodies in serum or plasma, by using specific antibodies or antigens immobilized on the test strip. This principle allows for the visual detection of hepatitis B surface antigen (HBsAg) or hepatitis B surface antibody (Anti-HBs) within minutes.

HAV  is  a  positive  RNA  virus, a  unique  member  of  picornaviridae.Its. Its  transmission  depend primarily on serial transmission from person to person by the fecal-oral route. Although hepatitis A  is  not  ordinarily  a  sexually  transmitted  disease, the  infection  rate  is  high  among  male homosexuals, as result of oral-anal contact. The anti-HAV IgG is produced in the early stage of infection, its titer in serum or plasma has been quite high at the onset of serum and reach the peak after 2-3 months. The lgG antibody is a protective antibody and can be maintained for a long time. The emergence of anti-HAV IgG can’t make a HAV diagnosis unless anti-HAV IgM exist at the same time. The presence of anti-HAV IgG,but no anti-HAV IgM is a marker of infected HAV and acquired immunity. The presence of specific anti-HAV IgM in blood samples suggests acute or recent HAV infection. The  IgM antibody rapid increases in titer over a period of 4-6 weeks post infection, and then declines to non-detectable levels within 3 to 6 months in most patients. The HAV IgG/IgM Rapid Test Device is to be used to detect IgG/IgM anti-HAV in less than 20 minutes by trained personnel, without cumbersome laboratory equipment

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