How Do You Diagnose Hepatitis A?
HAV Structure and Types Hepatitis A computer virus or HAV is a single - stranded with positive - polarity RNA computer virus , which belong to the genus Hepatovirus of the Picornaviridae family . The virus is a non - enveloped and icosahedral symmetry shape with a diameter ranges from 27 to 32 nanometre in size . So far , seven HAV genotypes have been identified by the experts . Four genotypes ( I , II , III , and VII ) are of human blood , and three ( IV , V , VI ) are of simian rootage ....