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Topic: Varicella zoster virus


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In the News (Mon 28 Dec 09)

  
  Varicella zoster virus - Wikipedia, the free encyclopedia   (Site not responding. Last check: 2007-11-04)
The varicella-zoster virus (VZV), also known as human herpes virus 3 (HHV-3), is one of the eight herpes viruses known to affect humans (and other vertebrates).
VZV virons are spherical and 150-200 nm in diameter.
It was developed by Merck, Sharp and Dohme in the 1980s from the Oka strain virus isolated and attenuated by Michiaki Takahashi and colleagues in the 1970s.
en.wikipedia.org /wiki/Varicella-zoster_virus   (316 words)

  
 Varicella-Zoster Virus, Chicken Pox, Shingles Virus
Varicella is one of the typical viral rash illnesses of childhood.
VZV IgM is produced in primary varicella and herpes zoster and thus it is not possible to distinguish between the two.
The risk of a child acquiring varicella is dependent on the rapidity with which the mother develops and transfers humoral immunity across the placenta and that depends on the time interval between the date of onset of the rash in the mother and the date of delivery.
virology-online.com /viruses/VZV.htm   (5415 words)

  
 Varicella-Zoster Virus
Varicella vaccine has been available since March 1995 and is approved for use in healthy children 12 months of age or older, and susceptible (i.e., no evidence of having had chickenpox in the past) adolescents and adults.
In one study, varicella virus vaccine infection occurred in 15 (17%) of 88 exposed, healthy siblings of leukemic vaccine recipients; mild rash developed in 11 siblings.
Varicella virus vaccine should not be administered to persons who have a history of anaphylactic reaction to any component of the vaccine, including gelatin and neomycin.
www.medhelp.org /NIHlib/GF-619.html   (2763 words)

  
 Varicella Zoster Virus Diseases   (Site not responding. Last check: 2007-11-04)
Varicella zoster virus causes both chickenpox and shingles, but the two diseases are distinguished by the highly contagious nature of chickenpox.
Varicella is one of the most communicable infectious diseases and has a secondary attack rate among exposed susceptible household contacts as high as 90%.
Varicella may be transmitted for 1 to 2 days prior to the onset of rash and up to 5 days after rash onset, or until all lesions are crusted over.
edcp.org /guidelines/varicella.html   (1744 words)

  
 Shingles and Chickenpox (Varicella-Zoster Virus)
The virus spreads in the ganglion and to the nerves connecting to it.
The major long-term complication of varicella is the later reactivation of the herpes zoster virus and the development of shingles, which occurs in about 20% of people who have had chicken pox.
The pain and discomfort of the active herpes zoster infection is the primary symptom and complication of herpes zoster.
www.mercydesmoines.org /ADAM/WellConnected/articles/000082.asp   (8875 words)

  
 VZV Foundation - A Decade Of Leadership In The Fight Against VZV Infections
The VZV Research Foundation is the world’s only nonprofit organization solely dedicated to the fight against the varicella-zoster virus (VZV) and VZV infections (chickenpox, shingles and post-herpetic neuralgia) through research and education.
A five-year, active surveillance study of varicella incidence and hospitalization conducted between 1995 and 1999 at three sites by the CDC reported an 80 percent reduction in varicella incidence, with the greatest decline among children one-to-four years of age.
It is caused by a reactivation of the varicella-zoster virus, the same virus that causes chickenpox.
www.vzvfoundation.org /faq.html   (2643 words)

  
 Shingles and Chicken Pox (Varicella-Zoster Virus) - StopGettingSick News
The virus is still referred to by separate terms, depending on whether it is the primary infection (varicella) that causes chicken pox or if it is the reactivation of the virus (herpes zoster) that causes shingles.
Of course, the major long-term complication of varicella is the later reactivation of the herpes zoster virus and the development of shingles.
Rapid diagnosis of varicella zoster virus infection in acute facial palsy.
www.stopgettingsick.com /Conditions/condition_template.cfm/1341/82/1   (6986 words)

  
 NIP: Diseases/Varicella/main page   (Site not responding. Last check: 2007-11-04)
Chapter 12 Summary: Varicella is an acute, contagious disease caused by varicella zoster virus (VZV).
Varicella severity and complications are increased among immunocompromised persons, neonates, children less than 1 year of age, and adults...
The Varicella Surveillance Worksheet (.pdf) and a Varicella Death Investigation Worksheet (.pdf) were developed for states to use for reporting cases and deaths related to varicella.
www.cdc.gov /nip/diseases/varicella   (227 words)

  
 Shingles and Chickenpox (Varicella-Zoster Virus) - UMMC   (Site not responding. Last check: 2007-11-04)
A culture is usually performed to distinguish between varicella zoster and herpes simplex viruses.
Vaccination against the varicella zoster virus in patents between the ages of 55 and 65.
Because herpes zoster tends to resolve fairly quickly in young adults, these drugs are generally used in severe cases of patients who are susceptible to complications.
www.umm.edu /patiented/doc82full.html   (8946 words)

  
 eMedicine - Varicella-Zoster Virus : Article by Wayne E Anderson, DO
Chickenpox follows initial exposure to the virus and typically is a relatively mild, self-limited childhood illness with a characteristic exanthem.
This is caused by reactivation of VZV in the ophthalmic division of the trigeminal nerve.
The varicella zoster virus is a DNA virus with a genome that encodes 70 proteins.
www.emedicine.com /med/topic2361.htm   (2795 words)

  
 eMedicine - Varicella Zoster : Article by Wayne E Anderson, DO   (Site not responding. Last check: 2007-11-04)
Although the frequency of varicella zoster is expected to decrease as the vaccinated children grow to adulthood, the present frequency of varicella zoster in adults may be increasing.
The frequency of multiple, disseminated, and visceral zoster is increased in the immunocompromised population.
The varicella vaccine may stimulate immunity in seropositive adults, suggesting that the vaccine may constitute treatment and perhaps prevention of zoster (even with previous exposure to chickenpox).
www.emedicine.com /neuro/topic390.htm   (3561 words)

  
 Varicella Zoster Virus
Infants born to mothers who have varicella in early pregnancy may develope a syndrome associated with; limb hypoplasia, muscular atrophy, mental retardation and skin scarring.
The virus travels down the axon and re-infects the dematome supplied by the sensory ganglian to produce painful vesicles on the skin.
The virus grows slowly with the production of typical cytopathic effect usually evident in seven to ten days.
web.uct.ac.za /depts/mmi/jmoodie/vzv2.html   (394 words)

  
 Shingles and Chickenpox (Varicella-Zoster Virus)   (Site not responding. Last check: 2007-11-04)
The major long-term complication of varicella is the later reactivation of the herpes zoster virus and the development of shingles, which occurs in about 20% of people who have had chickenpox.
The herpes zoster virus appears to produce persistent inflammation in the spinal cord that causes long-term damage, including nerve scarring.
In such children, the infection appears to be caused by a wild virus, not a reactivation of the vaccine.
www.morehead.org /wellconnected/000082.htm   (9212 words)

  
 Varicella-Zoster Virus   (Site not responding. Last check: 2007-11-04)
The varicella-zoster virus (VZV), which causes chicken pox and shingles, may cause life threatening pneumonia particularly in pregnant women and immune-compromised patients.
VZV may invade the lungs and cause diffuse pneumonia, ranging in severity from mild respiratory symptoms to fulminant, life-threatening disease.
The mainstay of treatment for VZV respiratory infection is acyclovir, which has been shown to lessen the duration and severity of symptoms in this disease.
brighamrad.harvard.edu /Cases/bwh/hcache/73/full.html   (271 words)

  
 Virus Culture, Rapid, Varicella-Zoster Virus (VZV)
If a virus other than the one specified for this virus-specific culture is recovered, identification will be made, and an additional charge will apply.
Varicella-zoster virus is a single virus which causes two diseases: chickenpox (varicella) in children and, after reactivation from latency, shingles (zoster) in adults.
Cell culture of VZV often has been reported to be less sensitive than direct antigen detection of VZV by immunofluorescence.
www.labcorp.com /datasets/labcorp/html/chapter/mono/mb027000.htm   (480 words)

  
 Facts About Shingles (Varicella-Zoster Virus), NIAID Fact Sheet   (Site not responding. Last check: 2007-11-04)
Shingles is a disease caused by the varicella-zoster virus, the same virus that causes chickenpox.
Another complication of the virus is postherpetic neuralgia (PHN), a condition where the pain from shingles persists for months, sometimes years, after the shingles rash has healed.
The study found that zoster vaccine markedly reduced illness from herpes zoster and PHN among older adults.
www.niaid.nih.gov /factsheets/shinglesFS.htm   (576 words)

  
 Shingles and Chickenpox (Varicella-Zoster Virus)   (Site not responding. Last check: 2007-11-04)
The varicella-zoster virus is responsible for both chickenpox and herpes zoster, but its method of infection is different in both diseases.
Since a varicella vaccine became available in the US in 1995, however, the incidence of disease and hospitalizations due to chickenpox are showing a dramatic decrease of over 80% in some states.
The risk for herpes zoster increases as people age, so the overall number of cases will undoubtedly increase as the baby boomer generation gets older.
www.morehead.org /wellconnected/000082_2.htm   (927 words)

  
 MedlinePlus Medical Encyclopedia: Chickenpox
The virus that causes chickenpox is varicella-zoster, a member of the herpesvirus family.
The same virus also causes herpes zoster (shingles) in adults.
Once you catch chickenpox, the virus usually remains in your body for your lifetime, kept in check by the immune system.
www.nlm.nih.gov /medlineplus/ency/article/001592.htm   (1244 words)

  
 Amazon.com: Varicella-Zoster Virus: Virology and Clinical Management: Books: Ann M. Arvin,Anne A. Gershon   (Site not responding. Last check: 2007-11-04)
This comprehensive account of the biology and clinical features of the varicella-zoster virus, published in association with the VZV Research Foundation, surveys current knowledge of the molecular biology, pathogenesis, and clinical features of VZV as the causative agent of chickenpox and zoster (shingles).
Also included is detailed information on live attenuated varicella vaccine, treatment strategies, and the management of postherpetic pain in zoster patients.
Published in association with the VZV Research Foundation, this text is a comprehensive account of the biology and clinical features of the varicella-zoster virus.
www.amazon.com /exec/obidos/tg/detail/-/0521660246?v=glance   (731 words)

  
 Chickenpox - MayoClinic.com
This red, itchy rash is caused by the varicella-zoster virus, which is part of a group of viruses called herpes viruses.
But the disease can be serious, even in healthy children.
Before the chickenpox vaccine became part of the regular childhood immunization schedule, the virus caused about 11,000 hospitalizations and 100 deaths in the United States each year.
www.mayoclinic.com /health/chickenpox/DS00053   (324 words)

  
 Varicella-Zoster virus infection
Varicella-Zoster Virus Infection (VZV Infection, VZV Infection, Shingles, Zoster)
General-level and clinical level information on all aspects of the disease and vaccine.
Video for healthcare professionals covers how to collect specimens, where to send them, and more.
www.cdc.gov /ncidod/diseases/list_varicl.htm   (46 words)

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