Human immunodeficiency virus (HIV) is a complex RNA virus of the genus Lentivirus within the Retroviridae family. HIV is an approximately 100 nm icosahedral structure with 72 external spikes that are formed by the two […]
Two types of vaccine are available against poliomyelitis, inactivated vaccine (IPV, Salk) and live attenuated oral vaccine (OPV, Sabin). Both vaccine formulations contain all three polio types. Oral Polio Vaccine (OPV) /Sabin OPV was the most […]
Poliomyelitis is a contagious disease which spreads through person to person contact (the virus infects only human) mainly via the fecal-oral route. The virus affects young children (mainly children under 5 years of age) and […]
– non suppurative enlargement of one or both salivary glands. – Causes a mild childhood disease; in adults complications including meningitis and orchitis are common. – >1/3rd of all mumps infection are asymptomatic. – A […]
Influenza commonly called “the flu”, is a contagious respiratory illness, a very important global public health problem. It causes seasonal flu epidemics every year and is an important disease responsible for school and job absenteeism, […]
Rabies is an infectious viral disease caused by Rabies virus. It affects humans as well as domestic and wild animals. Rabies virus is an enveloped, single-stranded RNA virus with bullet- shaped or rod-shaped morphology. […]
Herpes Simplex viruses (HSV) are members of Herpes Virus family. HSV is a large virus (2nd only to Pox Virus) with a core containing double-stranded DNA within a coat, an icosahedron with 162 capsomeres. The envelope […]
MCQs in virology-2 post contains eight (8) multiple choice questions from various areas of virology. The answer keys are given at the end of the post. Viruses that contain two complete copies of positive strand […]
Viruses range in size from: a.1-100 nm b. 25-300 nm c. 10-100 μm d.400-1000 nm e. 1-10 μm A structural component that is found in all viruses is: a.The envelope b. DNA c. Capsid d. […]
Copyright © 2021 | MH Magazine WordPress Theme by MH Themes
