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Topic: Parvovirus

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	Fifth Disease (Site not responding. Last check: 2007-10-04)
		A human virus, parvovirus B19 is not the same parvovirus that veterinarians may be concerned about in pets, especially dogs, and it cannot be passed from humans to animals or vice versa.
		A person with parvovirus infection is most contagious before the rash appears - either during the incubation period (the time between infection and the onset of symptoms) or during the time when he or she has only mild respiratory symptoms.
		Parvovirus B19 spreads easily from person to person in fluids from the nose, mouth, and throat of someone with the infection, especially through large droplets from coughs and sneezes.
	kidshealth.org /parent/infections/bacterial_viral/fifth.html (1289 words)

	Parvovirus - Wikipedia, the free encyclopedia
		Parvovirus, commonly called parvo, is a genus of the Parvoviridae family linear, non-segmented single stranded DNA viruses with an average genome size of 5 kbp.
		Canine parvovirus is a particularly deadly disease among young puppies, causing gastrointestinal tract damage and dehydration as well as a cardiac syndrome in very young pups.
		Parvovirus B19, which causes fifth disease in humans, is a member of the Erythrovirus genus of Parvoviridae rather than Parvovirus.
	en.wikipedia.org /wiki/Parvovirus (630 words)

	Parvovirus
		Having previously demonstrated parvovirus B19 (B19) DNA in bone marrow and skin biopsies of SSc patients in the absence of B19 viremia, we sought to further elucidate a role for B19 in the pathogenesis of SSc.
		Parvovirus B19 infection was documented serologically in 6 patients with antibodies of IgG subclass in 6 and of IgM subclass in 1.
		Parvovirus B19 DNA and tumor necrosis factor alpha DNA were identified in the dermal and glomerular capillary endothelial cells and surrounding dermal inflammatory cells.
	www.thedoctorsdoctor.com /diseases/parvovirus.htm (3690 words)

	Diana's Grove Dog Rescue - House Training
		Parvovirus is probably the most common viral illness of dogs at the present time.
		Parvovirus is characterized by severe, bloody diarrhea and vomiting, high fever and lethargy.
		Rest assured that parvovirus is specific to dogs alone and cannot be transmitted to humans or other pets of a different species, such as cats.
	www.dianasgrove.com /dogs/Parvovirus.html (1607 words)

	Parvovirus infection definition - Medical Dictionary definitions of popular medical terms
		Parvovirus infection: Infection with one of a family of small single-stranded DNA viruses.
		Parvovirus infection in childhood: The most common illness caused by parvovirus B19 is "fifth disease." It occurs most often in children.
		Parvovirus infection during pregnancy: Parvovirus B19 infection during pregnancy can cause a miscarriage or cause the baby to have unborn baby to have severe anemia.
	www.medterms.com /script/main/art.asp?articlekey=20238 (438 words)

	Parvovirus B19 Infections - October 1, 1999 - American Academy of Family Physicians
		Human parvovirus B19 is a single-stranded DNA virus with a predilection for infecting rapidly dividing cell lines, such as bone marrow erythroid progenitor cells.
		Serologic tests are usually relied on for the diagnosis of parvovirus B19 infection in patients with transient aplastic crisis or arthropathy; a positive parvovirus B19specific IgM antibody or a significant rise in parvovirus B19specific IgG titer is indicative of an acute or recent infection.
		Given the high prevalence of parvovirus B19 in the community, the high rate of silent infection and the low risk of adverse effects on the fetus, routine exclusion of pregnant women from the workplace where erythema infectiosum is present is not recommended.
	www.aafp.org /afp/991001ap/1455.html (3083 words)

	OBGYN.net Parvovirus B19 Infection and Pregnancy
		Parvovirus B19 is a virus that commonly infects humans; about 50% of all adults have been infected sometime during childhood or adolescence.
		Once a child recovers from parvovirus infection, he or she develops lasting immunity, which means that the child is protected against future infection.
		A blood test for parvovirus B19 may show 1) that you are immune to parvovirus B19 and have no sign of recent infection, 2) that you are not immune and have not yet been infected, or 3) that you have had a recent infection.
	www.obgyn.net /displayarticle.asp?page=/pb/articles/parvo_and_pg (858 words)

	OECTA - Fifth Disease Parvovirus B19
		Parvovirus B19 is not the same parvovirus that can affect cats and dogs, and it cannot be passed from humans to animals.
		Parvovirus B19 spreads easily from person to person in fluids from the nose, mouth, and throat of someone with the infection.
		Parvovirus B19 infection can cause acute, severe anemia in people who have problems with their immune systems, sickle-cell disease or similar types of chronic anemia.
	www.oecta.on.ca /special/fifthdisease.htm (1173 words)

	HPA \| Parvovirus
		Parvovirus B19 was discovered by chance in 1975 at the Central Public Health Laboratory during routine screening for hepatitis B of asymptomatic blood donors from the South London Blood Transfusion Centre.
		Parvovirus B19 is a single-stranded DNA virus belonging to the Parvoviridae family of viruses, which includes a number of animal parvoviruses such as the canine parvovirus and feline panleukopenia virus.
		Parvovirus B 19 is also associated with rheumatological which can last for months in a small proportion of patients.
	www.hpa.org.uk /infections/topics_az/parvovirus/gen_info.htm (1226 words)

	Current Trends Risks Associated with Human Parvovirus B19 Infection
		The virus belongs to the family Parvoviridae, which includes two genera of vertebrate viruses: genus parvovirus (autonomously replicating parvoviruses) and genus dependovirus (parvoviruses that require a helper virus, such as adenovirus or herpes virus, for replication); and one genus of invertebrate viruses, the genus densovirus (15).
		B19 is in the genus parvovirus, which includes a number of animal parvoviruses such as the canine parvovirus and feline panleukopenia virus.
		Parvovirus as a cause of hydrops fetalis: detection by in situ DNA hybridisation.
	wonder.cdc.gov /wonder/prevguid/m0001348/m0001348.asp (5154 words)

	Parvovirus B19
		Parvovirus B19 is one of the autonomous parvoviruses, which are widespread in nature and frequently cause disease in their hosts (other examples are feline panleukopenia virus and canine parvovirus).
		Parvovirus B19 is not associated with birth defects (10), but infection during pregnancy has been associated with spontaneous abortion in about 10% of cases (3, 10).
		In the patients with anemia, the presence of parvovirus correlated with the degree of anemia.
	labmed.ucsf.edu /Education/CritRev/parvoB19kunesh.html (2359 words)

	Canine Parvovirus
		Parvovirus is resistant to extremes of temperature (i.e., it survives freezing and extreme heat) and is unharmed by detergents, alcohol, and common disinfectants.
		Death from parvovirus results from dehydration, overwhelming secondary bacterial infection, blood loss from intestinal hemorrhage, or heart attack from invasion of the heart muscle by the virus.
		Prevention/Control of parvovirus by sanitation measures alone is extremely difficult because the virus is such a resistant, hardy organism and because it is so easily spread.
	www.cpvh.com /Articles/39.html (1242 words)

	The Parvovirus Family
		Parvovirus genome is linear, monopartite, ss DNA of approximately 5 kb in size.
		Parvovirus replication and assembly occurs in the nucleus and is dependent upon host cellular functions.
		Infection with parvovirus B19 is generally asymptomatic in pregnant women and most will deliver a normal child at term, but there is still substantial risk of transplacental virus tranmission and subsequent fetal infection.
	www.stanford.edu /group/virus/parvo/parvovirus.html (1393 words)

	Parvovirus infection - MayoClinic.com
		Parvovirus infection is also commonly called fifth disease because it was fifth of a group of once-common childhood diseases that all have similar rashes.
		Whatever the name, parvovirus infection is still a common but mild infection in children that generally requires little treatment.
		Parvovirus infection is also more serious for adults with some kinds of anemia or who have a compromised immune system.
	www.mayoclinic.com /health/parvovirus-infection/DS00437 (219 words)

	Parvoviruses, Parvovirus B19
		(2) parvovirus particles in stool specimens - the precise pathogenic role of these agents remain unclear, eventhough animal parvoviruses have been shown to cause diarrhoea in animals.
		Infection in Pregnancy;- Infection by parvovirus during pregnancy is not associated with increased risk of fetal malformation.
		This may be due to the fact that parvovirus attacks reticulocytes which may lead to anaemia in the fetus and death.
	virology-online.com /viruses/Parvoviruses.htm (2100 words)

	Canine Parvovirus, What you should know about
		Canine parvovirus is a highly contagious and serious disease caused by a virus that attacks the gastrointestinal tract of puppies, dogs, and wild canids.
		Trace amounts of feces containing parvovirus may serve as reservoirs of infection and the virus is readily transmitted from place to place on the hair or feet of dogs or via contaminated cages, shoes, or other objects.
		If a puppy is exposed to canine parvovirus during this gap in protection, it may become ill. An additional concern is that immunity provided by a mother's milk may interfere with an effective response to vaccination.
	www.avma.org /communications/brochures/canine_parvo/parvo_brochure.asp (706 words)

	Parvovirus In Dogs - Parvo In Your Dog
		Parvovirus disease is remarkable in that symptoms can vary from none at all to a fatal disease.
		Treatment of parvovirus is directed at correcting the life-threatening dehydration that accompanies the diarrhea with intravenous fluids (lactated ringers solution with bicarbonate).
		Parvovirus is still a major threat to dogs in the United States and a common cause of mortality in puppies.
	www.2ndchance.info /parvo.htm (1202 words)

	Centers for Disease Control and Prevention: Respiratory and Enteric Viruses Branch
		Therefore, a child cannot "catch" parvovirus from a pet dog or cat, and a pet cat or dog cannot catch human parvovirus B19 from an ill child.
		Parvovirus B19 has been found in the respiratory secretions (e.g., saliva, sputum, or nasal mucus) of infected persons before the onset of rash, when they appear to "just have a cold." The virus is probably spread from person to person by direct contact with those secretions, such as sharing drinking cups or utensils.
		Parvovirus B19 infection may cause a serious illness in persons with sickle-cell disease or similar types of chronic anemia.
	www.cdc.gov /ncidod/dvrd/revb/respiratory/parvo_b19.htm (931 words)

	eMedicine - Parvovirus B19 Infection : Article by Dennis Cunningham, MD (Site not responding. Last check: 2007-10-04)
		The cause of parvovirus B19 (B19V) rash is believed to be immunologically mediated, and the rash corresponds to the appearance of immunoglobulin M (IgM) in the serum.
		As a result of the high seroprevalence of IgG against parvovirus among adults in the general population who have recovered from infection, the antiparvovirus IgG titer in IVIG is probably sufficient to provide passive immunity for the clearance of virus in immunocompromised hosts with chronic B19V infection.
		Parvovirus B19 (B19V) infection is not a reason to terminate a pregnancy, and B19V is not teratogenic.
	www.emedicine.com /ped/topic192.htm (3308 words)

	Fortnightly Review: Parvovirus B19: an expanding spectrum of disease -- Cohen 311 (7019): 1549 -- BMJ
		Parvovirus B19 causes transient aplastic crisis in patients with chronic haemolytic anaemia; such patients pose a risk of nosocomial transmission of the virus
		Parvovirus infections and hypoplastic crisis in sickle-cell anaemia.
		Parvovirus B19 infection, myocarditis and death in a 3-year-old boy.
	bmj.bmjjournals.com /cgi/content/full/311/7019/1549 (2588 words)

	Parvovirus infection
		Parvovirus B19 is most common among elementary school-age children during outbreaks in the winter and spring months, but anyone can become ill with it any time of the year.
		A pregnant woman with parvovirus infection may pass the illness along to her baby.
		Parvovirus infection doesn't increase the risk of birth defects or mental retardation.
	www.cnn.com /HEALTH/library/DS/00437.html (1213 words)

	UNSW Embryo- Abnormal Development - Parvovirus
		The complete genomic sequence of Human parvovirus B19 is now known and is a single-stranded DNA virus 5,594 nucleotides in length.
		Parvovirus B19 probably accounts for 10 - 20 % of all cases of nonimmune hydrops fetalis.
		About 50 per cent of women are already immune to parvovirus B19, and these women and their babies are protected from infection and illness.
	embryology.med.unsw.edu.au /Defect/parvovirus.htm (1470 words)

	Information about Canine Parvovirus
		Canine parvovirus is an ongoing issue in the Northern Virginia region.
		Parvovirus is a highly contagious and serious disease that attacks the gastrointestinal tract of puppies and dogs.
		Vaccination against parvovirus is usually done around four months of age, and adult dogs whose vaccines are current have little to no risk of contracting the virus.
	www.loudoun.gov /animals/parvo.htm (488 words)

	Parvovirus in Dogs (Site not responding. Last check: 2007-10-04)
		This would be my first guess in a 13 month old dog in which one of the parvovirus vaccinations was given after 4 months of age as long as some combination of the problems below did not seem to be present as well.
		It is possible that parvovirus can live several months (I have seen references to as long as 5 or 6 months) in the environment.
		If it is over that age and has been vaccinated at 16 and 20 weeks of age for parvovirus, the odds are very very good that the vaccine will have protected the new puppy by then.
	www.vetinfo.com /dparvo.html (4484 words)

	Overview of Parvovirus B19 : ViraCor Laboratories
		Parvovirus B19 (ParvoB19) is a non-enveloped, single-stranded DNA virus.
		Aplastic anemia due to B19 parvovirus infection in cadaveric renal transplant recipients: an underestimated infectious disease in the immunocompromised host.
		Eradication of parvovirus B19 infection after renal transplantation requires reduction of Immunosuppression and high-dose immunoglobulin therapy.
	www.viracor.com /diagnostic-virals-parvo_overview.htm (730 words)

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