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Topic: Varicella


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In the News (Thu 10 Dec 09)

  
  Varicella
Varicella virus (VZV) was isolated from vesicular fluid of both chickenpox and zoster lesions in cell culture by Weller in 1954.
By adulthood, 90%-95% of the U.S. population have antibodies to varicella.
Herpes zoster is a reactivation of latent varicella infection.
wonder.cdc.gov /wonder/prevguid/p0000108/p0000108.asp   (4570 words)

  
 Varicella, highly contagious acute disease, varicella zona virus VZV, vaccine, vaccines, vaccination
Varicella is a highly contagious, acute disease caused by a virus of the Herpes virus family, for which the reservoir is strictly human, varicella zona virus (VZV).
Clinical varicella is characterised by the onset of a rash, initially macular and subsequently vesicular and pruriginous, generally starting on the scalp and face; this rash may occasionally be accompanied in the early stages by fever and malaise.
Where varicella occurs in pregnant women, the foetus may be affected, presenting congenital varicella syndrome at birth with atrophy of the limbs and scarring lesions to the skin; the central nervous system and eyes may also be affected.
www.varicella.com   (985 words)

  
 Chapter 4 - Varicella (Chickenpox) - Yellow Book | CDC Travelers' Health
Varicella (chickenpox) is the primary infection with the varicella zoster virus (VZV).
Varicella vaccine is a live-virus vaccine and results in a latent infection similar to that caused by wild VZV.
Breastfeeding is not a contraindication to the varicella vaccination.
wwwn.cdc.gov /travel/yellowBookCh4-Chickenpox.aspx   (1752 words)

  
 Pharmacoepidemiology
Varicella zoster vaccine is a live attenuated virus vaccine, which was developed in Japan in 1970 from the vesicular fluid of a 3-year old Japanese boy with chickenpox, whose family name was Oka.
The routine vaccination program against varicella disease is the first attempt to decrease the complications and the costs of ubiquitous varicella infection, which by the majority of the population has been regarded as an uncomplicated, self-limiting disease of childhood.
Varicella outbreaks in Army recruits Puerto Rico: Varicella susceptibility in a population from the tropics.
www.hsph.harvard.edu /Organizations/DDIL/varicella.htm   (4512 words)

  
 Varicella Zoster Virus Diseases   (Site not responding. Last check: )
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)

  
 Severe Complications of Varicella in Previously Healthy Children in Germany: A 1-Year Survey -- Ziebold et al. 108 (5): ...
Varicella is a common infectious disease, usually benign and self-limited, and complications are believed to be rare.
Varicella is usually a self-limited disease and not reportable in Germany.
Varicella is managed on an outpatient basis in the German health care system, if medical treatment is sought at all.
pediatrics.aappublications.org /cgi/content/full/108/5/e79   (3232 words)

  
 Varicella Vaccine, Disease Information
Varicella (chickenpox) is a rash illness caused by the varicella-zoster virus (VZV), which is easily spread from person to person.
Varicella is characterized by an itchy rash, which forms fluid-filled lesions called "vesicles." Before the rash appears, people will often have a fever and a runny nose and sore throat.
Infection during pregnancy can occasionally cause a condition called congenital varicella syndrome in newborns, which is characterized by problems with limb development and scarring of the skin of the limb.
www.co.boulder.co.us /health/hpe/iz/vaccines/varicella/index.htm   (315 words)

  
 Varicella Zoster Virus (VZV)
It begins in late stages of varicella, with vomiting, restlessness, irritability, and progressive decrease in the level of consciousness, associated with progressive cerebral edema.
CVS occurs in 2% of infections in pregnancy and is characterized by unusual cutaneous defects, cicatricial skin scars, and atrophy of the extremities.
Patients with varicella should be placed in strict or airborne isolation, depending on the classification nomenclature of the institution, in negative pressure rooms, if available (1).
www.hopkinsmedicine.org /heic/ID/vzv   (1968 words)

  
 Varicella Zoster
The Columbia varicella zoster virus research group, led by Dr. Anne Gershon, professor of pediatrics at PandS, has examined the development of infectious particles in vitro and defined the role of envelope glycoproteins in the viral life cycle.
Gershon and her colleagues showed that the varicella vaccine was safe and effective by testing small and then large populations of children and adults.
The varicella vaccine has the envelope but the weakened version of the virus normally is not strong enough to form skin lesions and the body’s immune system fights the mild infection.
cpmcnet.columbia.edu /news/in-vivo/Vol1_no7_apr15_02/varicella.html   (788 words)

  
 Varicella   (Site not responding. Last check: )
Chickenpox is caused by the Varicella zoster virus (VZV), an icosahedral, enveloped, DNA virus in the Herpes family.
Varicella vaccine is a live attenuated virus vaccine that is administered subcutaneously.
If infection by the varicella virus occurs in utero during the first trimester of pregnancy, congenital varicella syndrome may result in the newborn, as evidenced by scarring of the skin of the limbs, damage to the lens, retina and brain, and microphthalmia.
www.bact.wisc.edu /themicrobialworld/Varicella.html   (799 words)

  
 Varicella Virus Vaccine Live (Systemic) - MayoClinic.com
Varicella (commonly known as chickenpox) is an infection that is easily spread from one person to another.
Varicella virus vaccine live is not recommended for use in infants up to 12 months of age.
Varicella virus vaccine live has been tested in children 1 year of age and older and, in effective doses, has not been shown to cause different side effects or problems than it may cause in adults.
www.mayoclinic.com /health/drug-information/DR202998   (1206 words)

  
 NACI UPDATE TO STATEMENT ON VARICELLA VACCINE - CCDR Vol.28 ACS-3
Varicella (chickenpox) is largely a childhood disease, with 50% of children developing varicella by 5 years of age, and 90% by 12 years of age.
Varicella is often considered to be a fairly benign disease among otherwise healthy children < 12 years of age.
Varicella is a common childhood disease, and the percentage of children who have had the infection increases with age.
www.phac-aspc.gc.ca /publicat/ccdr-rmtc/02vol28/28sup/acs3.html   (1928 words)

  
 Varicella (Chickenpox) Vaccine : Vaccine Education Center - Children's Hospital of Philadelphia
The varicella vaccine is given to prevent chickenpox and the severe, and occasionally fatal, consequences of chickenpox.
However, because the varicella vaccine virus reproduces itself a little bit, it induces immunity against varicella that is, like the immunity to rubella, measles or mumps virus, likely to be life long.
Second, the varicella vaccine is made in a manner similar to the rubella vaccine.
www.chop.edu /consumer/jsp/division/generic.jsp?id=75731   (1560 words)

  
 Varicella Zoster Immune Globulin (VZIG) — Anticipated Short Supply
Although the risk of post-natally acquired varicella in the premature infant is unknown, it has been judged prudent to administer Varicella-Zoster Immune Globulin (Human) to exposed premature infants of 28 weeks gestation or more if their mothers have a negative or uncertain history of varicella.
Mortality from varicella in the first year of life is 4 times higher than that in older children, but lower than mortality in immunocompromised children or normal adults.
After careful evaluation of the type of exposure, susceptibility to varicella including maternal history of varicella and zoster, and presence of underlying disease, VZIG may be administered to selected infants.
www.fda.gov /cber/infosheets/mphvzig092005.htm   (1003 words)

  
 Chickenpox Fact Sheet
Chickenpox (varicella) is caused by varicella-zoster virus (VZV), a type of herpes virus.
Varicella vaccine is highly effective at preventing chickenpox, especially severe cases of the disease, and its complications.
A vaccine for shingles was licensed in 2006.
www.metrokc.gov /health/prevcont/chickenpox.htm   (896 words)

  
 Update on Varicella - CCDR Vol.30 ACS-1   (Site not responding. Last check: )
Varicella (chickenpox) is mainly a childhood disease: 50% of children will have had the infection by 5 years of age and 90% by 12 years of age.
Evidence for the benefit of varicella immunization was demonstrated in three U.S. communities that conducted active surveillance for varicella from 1995 to 2000 and had achieved immunization coverage levels of 74% to 84% in children aged 19 to 35 months.
On the basis of prelicensure efficacy studies, breakthrough varicella rates of 3% to 4% per year are expected to occur after varicella vaccination, with higher rates of 5% to 20% after household exposure to wild-type virus.
www.phac-aspc.gc.ca /publicat/ccdr-rmtc/04vol30/acs-dcc-1/index.html   (9582 words)

  
 Varicella (chickenpox)
Children and adolescents with previously physician-diagnosed varicella or a clear history of varicella illness from the parent(s), need not be vaccinated (presumed immune).
If the history is doubtful, varicella antibody testing of those 13 years of age or older is an option, because these adolescents would require two vaccine doses if they are not immune.
The goal of varicella immunization is to reduce the morbidity and mortality due to complications of the disease.
www.pulsus.com /Paeds/09_08/tan_ed.htm   (1223 words)

  
 Varicella Immunization   (Site not responding. Last check: )
A single dose of varicella vaccine is recommended for children between 12 and 18 months of age.
Like any vaccine, or medicine, varicella vaccine could theoretically trigger a serious reaction in someone who is allergic to one of its components.
A child who has a moderate or severe illness on the day a varicella (or any) vaccination is scheduled should probably delay the vaccination until he or she has recovered.
www.cispimmunize.org /fam/chpox/chpximm.html   (601 words)

  
 eMedicine - Varicella : Article by Parang N Mehta
One study suggested that nearly 1:50 varicella cases are associated with complications.
The CSF of patients with varicella encephalitis may have few or as many as 100 cells that are polymorphonuclear or mononuclear, depending on the timing of the lumbar puncture.
Hepatitis: Hepatitis is a self-limited accompaniment of varicella.
www.emedicine.com /ped/topic2385.htm   (4303 words)

  
 Varicella
Twisted, bleak, and filled with dark humor, Varicella is perhaps the most disturbing work of IF ever written--but it's also one of the best.
The PC is a fascinating character, a cross between Machiavelli and an interior decorator, and while the various NPCs aren't quite as interesting--most of them run the gamut from very evil to very very evil--unraveling the various palace intrigues makes for plenty of nasty fun.
Varicella is not, however, meant to be solved in one try; there are so many things to do in so little time that saved games are unlikely to be useful (though it's not a major drawback, since the game lasts less than 100 moves).
www.wurb.com /if/game/429   (247 words)

  
 Shingles and Chickenpox (Varicella-Zoster Virus)   (Site not responding. Last check: )
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.
Varicella may be a factor in some cases of stroke in young adults.
For example, disseminated varicella occurs in up to 35% of children with chickenpox who are taking cancer chemotherapy; in such cases mortality rates are between 7% and 30%.
www.reutershealth.com /wellconnected/doc82.html   (8879 words)

  
 Chickenpox - Wikipedia, the free encyclopedia
In the UK Varicella antibodies are measured as part of the routine of prenatal care, and by 2005 all NHS healthcare personnel had determined their immunity and been immunised if they were non-immune and have direct patient contact.
Routine vaccination against varicella zoster virus is also performed in the United States, and the incidence of chickenpox has been dramatically reduced there (from 4 million cases per year in the pre-vaccine era to approximately 400,000 cases per year as of 2005).
The reasoning behind such parties is that guests exposed to the varicella virus will contract the disease and develop strong and persistent immunity, at an age before disaster is likely particularly from chickenpox or rubella.
en.wikipedia.org /wiki/Varicella   (2540 words)

  
 Varicella Vaccine
The footnote on varicella is "Varicella vaccine is recommended at any visit, at or after age 12 months for susceptible children (ie, those who lack a reliable history of chickenpox).
A study reported in the March 29, 2001 issue of the New England Journal of Medicine concludes "Varicella vaccine is highly effective as used in clinical practice." They find that the vaccine was 85 percent effective in preventing the disease.
Meanwhile, proof of the clinical effectiveness of the varicella vaccine provides further support for the broad implementation of the current recommendations that healthy children and susceptible adults be immunized against varicella-zoster virus.
www.larkfarm.com /AP/varicella.htm   (1480 words)

  
 Varicella (Chickenpox)   (Site not responding. Last check: )
Varicella virus is a highly communicable illness that is most contagious the 1st 1-2 days before the rash appears, to shortly after the onset of the rash, 3-5 days.
Individuals who have not experienced an active case of varicella (chickenpox) by the age of 13 years should receive the varicella immunization.
Mild rash up to a month after vaccination Because varicella vaccine is a live vaccine, anyone who experiences a rash following administration of the vaccine may be able to affect others who have not had chickenpox, but this is extremely rare.
www2.hn.psu.edu /programs/health/varicella.html   (353 words)

  
 Varicella-Zoster
Varicella-zoster virus belongs to the herpes group of viruses and is the etiologic agent of varicella (chickenpox), the most common childhood disease associated with a rash.
Congenital varicella infections are rare because of the high incidence of maternal immunity.
Outbreak of Varicella at a Day-care Center Desptie Vaccination NEJM Vol 347(24) pp.
pedclerk.bsd.uchicago.edu /Chickenpox.html   (844 words)

  
 Varicella (chickenpox). DermNet NZ
Although widespread chickenpox does not recur, the varicella virus remains in selected anterior horn cells of the spinal cord long term.
Because the disease is usually uncomplicated and self-limiting in children, debate exists as to whether it should be given on a routine basis.
Exposure to varicella virus may cause severe problems in pregnant women whom have not had chickenpox before.
www.dermnetnz.org /viral/varicella.html   (899 words)

  
 Varicella Vaccine
Varicella (chickenpox) vaccine is a live virus vaccine.
All children between 12 months and 12 years of age who have not had the disease should have two doses of varicella vaccine 3 months apart.
Before the introduction of the varicella vaccine in the U.S. in 1995, approximately 4 million cases of the disease were reported annually, including 11,000 hospitalizations and 100 deaths.
www.co.boulder.co.us /health/hpe/iz/vaccines/varicella/vaccine.htm   (166 words)

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