Japanese Encephalitis (JE) Virus: Life Cycle, Pathogenesis, Diagnosis
Fig: Geographic distribution of Japanese encephalitis virus Japanese Encephalitis (JE) virus was initially isolated in Japan in 1935. It is a leading cause of vaccine-preventable encephalitis...
Hemagglutination Inhibition Test: Principle, Procedure, Uses
The nucleic acids of various viruses encode surface proteins (e.g.hemagglutinin (HA) of influenza virus) that agglutinate red blood cells (RBC) of a variety of species. The reaction of viral...
Formerly known as Ebola hemorrhagic fever, Ebola virus disease (EVD), is a severe illness in humans with a case fatality rate of up to 90%. It is one of the scariest, most highly infectious, and...
Why does DNA virus replicate in the nucleus and RNA virus in cytoplasm?
DNA viruses are a type of virus that stores their genetic information in the form of DNA (deoxyribonucleic acid). Depending on the virus, this DNA can be single-stranded or double-stranded, linear or...
Viral Hemorrhagic Fever (VHF) is a group of illnesses that are caused by several distinct families of viruses. It is a severe multisystem syndrome. Some of these viruses cause mild illnesses, and...
Nasopharyngeal and Oropharyngeal Swab: Collection and Transport
Infections of the upper respiratory tract usually involve the ears, the mucus membranes lining the nose and throat above the epiglottis, and the sinuses. Upper respiratory tract specimens should be...
