Cell culture refers to the process by which cells are grown in a controlled artificial environment. Cells can be maintained in vitro outside of their original body by this process which is quite simple compared […]
The term “blotting” refers to the transfer of biological samples from a gel to a membrane and their subsequent detection on the surface of the membrane. Southern blot is used for transferring DNA, Northern blot […]
Dengue and Dengue hemorrhagic fever (DHF) are mosquito-borne viral disease caused by dengue virus, an Arbovirus (Arthropod borne Virus). It is transmitted via the bite of infected female Aedes aegypti mosquito. Laboratory diagnosis method for confirming Dengue […]
Monospot test is a form of the heterophile antibody test which is used for the rapid screening of infectious mononucleosis (mono). Epstein–Barr virus (EBV) causes the disease infectious mononucleosis. Blood, serum or plasma is taken […]
Japanese Encephalitis (JE) virus was initially isolated in Japan in 1935. It is a leading cause of vaccine-preventable encephalitis (inflammation of the brain) in Asia and the western Pacific. The virus is maintained in an […]
Principle The nucleic acids of various viruses encode surface proteins that agglutinate the red blood cells (RBC) of a variety of species. For example; Influenza virus particles have an envelope protein called the hemagglutinin, or […]
1.What is Ebola Virus Disease (EVD)? Formerly known as Ebola haemorrhagic fever, Ebola virus disease (EVD), is a severe illness in humans with a case fatality rate of up to 90%. Ebola first appeared in […]
Upper respiratory tract specimens should be collected within 3 days of symptom onset and no later than 7 days, ideally prior to the initiation of antimicrobial chemoprophylaxis or therapy. Oropharyngeal (OP) and nasopharyngeal (NP) swabs […]
The name measles is derived from the Latin, misellus, meaning miserable. Measles (also called Rubeola-(from rubeolus, Latin for reddish) ) is usually a disease of childhood (aged 3-10 years) and is followed by life-long immunity. Important […]
The diagnosis of a viral infection can be established in several ways, often used together, namely: Detection of virus particles in specimen taken from the appropriate site. Serological procedure to detect specific anti-viral antibodies (rise […]
Hepatitis B serologic testing involves measurement of several hepatitis B virus (HBV)-specific antigens and antibodies. Different serologic “markers” or combinations of markers are used to identify different phases of Hepatitis B Virus (HBV) infection and […]
During the lab diagnosis of Hepatitis B, we perform serological tests. In which we can detect Antigens, HBsAg, HBeAg, Anti-HBs, Anti-HBc (Antibody against Hepatitis B core antigen). You might have wondered if there is antibody […]
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