MMSL 2016, 85(4):164-170 | DOI: 10.31482/mmsl.2016.028
CHARACTERISTICS OF VARICELLA ZOSTER (VZV) VIRUSReview article
- 1 Department of Epidemiology, Faculty of Military Health Sciences, University of Defence, Hradec Kralove, Czech Republic
- 2 Department of Dermatovenerology, Charles University Medical School and University Hospital, Hradec Kralove, Czech Republic
- 3 Department of Military Medical Service Organisation and Management, Faculty of Military Health Sciences, University of Defence, Hradec Kralove, Czech Republic
- 4 Department of Military Internal Medicine and Military Hygiene, Faculty of Military Health Sciences, University of Defence, Hradec Kralove, Czech Republic
- 5 Thomayer Hospital, Prague, Czech Republic
- 6 Faculty of Informatics and Managment, University of Hradec Kralove, Hradec Kralove, Czech Republic
- 7 Biomedical Research Center, University Hospital of Hradec Kralove, Hradec Kralove, Czech Republic
- 8 Department of Infectious Diseases, Charles University, Medical School and Faculty Hospital, Hradec Kralove, Czech Republic
The evolution of varicella zoster virus lasts more than 400 million years. While primates were the original reservoirs of the virus, subsequently VZV started to circulate in human population and humans have been the exclusive hosts for VZV for more than 45 000 years. VZV is a highly contagious and neurotropic herpetic virus a member of the herpesviridae family.Its primary infection results in typical signs of varicella (chickenpox). After that, the virus establishes lifelong latency in trigeminal and dorsal root ganglia. Endogenous viral reactivation, thought to be associated with waning VZV specific T cell mediated imunity, leads to herpes zoster (shingles), especially in older adults and immunocompromised persons (VZV is the only human herpetic virus exhibiting entirely different clinical picture).
Keywords: varicella zoster virus; herpetic viruses; DNA; vaccination; epidemiology; chickenpox; shingles
Received: December 6, 2016; Revised: December 16, 2016; Published: December 16, 2016 Show citation
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