Bacteriophage “bacteria eaters” are infectious agents that replicate as obligate intracellular parasites in bacteria but in extracellular environment they are metabolically inert. A typical phage contains “head” (containing DNA embedded in a protein envelope), “neck”and […]
Respiratory Syncytial Virus (RSV), is a member of the Pneumovirus genus within the family Paramyxoviridae. RSV usually causes mild, cold-like symptoms. Most people recover in a week or two, but RSV can be serious, especially for infants and older […]
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 […]
Science is not perfect nor does all those breakthrough discoveries. Those beliefs that we have right now about a particular thing, person, event or discovery may change anytime soon, if a new research gives sufficient evidence […]
The Baltimore system of virus classification devised by virologist & Nobel laureate David Baltimore is based on the genomic nature of the viruses. The central theme of Baltimore system of virus classification is ‘all viruses must synthesize […]
Influenza virus, the causative agents of seasonal flu (and pandemic flu) is the deadly contagious virus. It is the only virus of medical importance of the family Orthomyxoviruses. Paramyxoviruses include most important agents of viral […]
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 […]
Zika virus is an emerging mosquito-borne virus that was first isolated in Zika forest of Uganda in 1947. Since then, it has remained mainly in Africa, with small and sporadic outbreaks in Asia. Recent cases of Zika virus […]
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 […]
Ebola is one of the scariest, highly infectious and deadly diseases, ever known to Humankind. It transmits via the body fluids of a person who is sick with or had died from Ebola (blood, vomit, […]
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