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Author: mistryland
Just love Art
ARBOVIRUSES (Including HIV)
All arboviruses are transmitted by arthropods (arthropodborne) such as mosquitoes and ticks from the wild animal reservoir to humans. FLAVIVIRUS Transmission – For effective transmission to occur,…… Read more “ARBOVIRUSES (Including HIV)”
HEPATITIS VIRUSES
Main site of infection is the liver. These five are hepatitis A virus (HAV), hepatitis B virus (HBV), hepatitis C virus (HCV), hepatitis D virus (HDV, delta…… Read more “HEPATITIS VIRUSES”
RNA NONENVELOPED VIRUSES
PICORNAVIRUSES The genome RNA is unusual because it has a protein on the 5′ end that serves as a primer for transcription by RNA polymerase. Picornaviruses replicate…… Read more “RNA NONENVELOPED VIRUSES”
RNA ENVELOPED VIRUSES (Orthomyxoviruses, Paramyxoviruses, Coronaviruses, Togaviruses, Rhabdoviruses, Retroviruses)
ORTHOMYXOVIRUSES Influenza Virus Disease— Influenza A virus causes worldwide epidemics (pandemics) of influenza, influenza B virus causes major outbreaks of influenza, and influenza C virus causes mild…… Read more “RNA ENVELOPED VIRUSES (Orthomyxoviruses, Paramyxoviruses, Coronaviruses, Togaviruses, Rhabdoviruses, Retroviruses)”
DNA Non – enveloped viruses
ADENOVIRUSES Important Properties -There are 41 known antigenic types; the fiber protein is the main type-specific antigen Types 3, 4, 7, and 21 cause respiratory disease Types…… Read more “DNA Non – enveloped viruses”
DNA Enveloped Viruses
HERPES VIRUSES The herpes virus family contains six important human pathogens: Herpes simplex virus type 1 Herpes simplex virus type 2 Varicellazoster virus Cytomegalovirus Epstein-barr virus…… Read more “DNA Enveloped Viruses”
Introduction to Virology – 2
Viruses are characterized by the following features: (1) Viruses are particles composed of an internal core containing either DNA or RNA (but not both) (2) Viruses must…… Read more “Introduction to Virology – 2”
