Many human illnesses are caused by infections with either pathogenic bacteria or viruses. To cause a disease, these microorganisms must gain access to the body. Bacteria reproduce by splitting in two, while viruses replicate themselves inside the host cells. Many bacterial infections can be treated successfully with antibiotics, but these are not useful against viral infections. The word "virus" is an ancient Latin, meaning "slime" or "poison".Paradoxically, early virus studies considered virus filtrates to be a poison, not a microbe, thus the name virus. In 1898, Friedrichh Loeffler and Paul...

Introduction: Hepatitis B virus (HBV) infection is one of the leading causes of death worldwide. The most important marker for HBV infection is HBsAg. In case of diagnosis of infectious disease, discordant results may have serious consequences among the patients as it causes unnecessary mental stress and tension. For proper diagnosis of infection as well as disease management and prevention, identification of appropriate test kit is necessary.Aim and Objectives: The Aim of the study was to calculate the prevalence of hepatitis B in patients visiting Sri Aurobindo College of Dentistry, Indore...