Herpes simplex virus - Herpes simplex virus The Herpes simplex virus infection (common names: herpes, cold sores) is a common, contagious, incurable, and in some cases sexually transmitted disease caused by a double-stranded DNA virus. Table of contents showTocToggle("show","hide") 1 Symptoms 2 Course of outbreak 2.1 "Oral" infections 2.2 "Genital" infections 3 Transmission 4 HSV-1 and HSV-2 5 Prevalence 6 Prevention 7 Treatments 8 Long-term effects 9 Myths 10 Other herpesviruses 11 External Links Symptoms The most obvious symptom of herpes is blisters anywhere on the body, but especially near the mouth or genital areas. Some people may experience prodromal symptoms: tingling, pain, burning, or itching in the area a few days before the blisters appear. The period from the time the blisters appear until the sores heal is known.
Herpesvirus - is the name of a group of viruses. In colloquial use herpes virus refers to the herpes simplex viruses, particularly when transmitted sexually: in scientific use herpesvirus (without the space) refers to a taxonomic family of viruses. There are eight types of human herpesviruses (HHV) known to cause disease in humans: HHV-1 = HSV-1 (herpes simplex virus 1): causes colds sores/genital herpes HHV-2 = HSV-2 (herpes simplex virus 2): causes colds sores/genital herpes HHV-3 = VZV (varicella-zoster virus): causes chickenpox and shingles HHV-4 = EBV (Epstein-Barr virus), lymphocryptovirus: causes mononucleosis HHV-5 = CMV (cytomegalovirus): causes mononucleosis, retinitis, etc. HHV-6 = roseolovirus: causes "sixth disease" (roseola infantum, exanthem subitum) HHV-7 = roseolovirus: causes "sixth disease" (roseola infantum, exanthem subitum) HHV-8 = rhadinovirus = KSHV = Kaposi's Sarcoma herpesvirus.
Virus - Virus Alternate meanings: computer virus and see virus (disambiguation) A virus is a small particle which can infect other biological organisms. Viruses are obligate intracellular parasites meaning that they can only reproduce by invading and taking over other cells as they lack the cellular machinery for self reproduction. The term "virus" usually refers to those particles which infect eukaryotes (multi-celled organisms and many single-celled organisms), whilst the term "bacteriophage" or "phage" is used to describe those infecting prokaryotes (bacteria and bacteria-like organisms). Typically these particles carry a small amount of nucleic acid (either DNA or RNA) surrounded by some form of protective "coat" consisting of protein, or protein and lipid. Table of contents showTocToggle("show","hide") 1 Etymology 2 Virus classifications 3 Viral structure 3.1 The viral envelope.
Epstein-Barr virus - Epstein-Barr virus The Epstein-Barr virus (abbreviated EBV) is a virus of the herpes family (which includes Herpes simplex virus and cytomegalovirus), and one of the most common viruses in humans. Most people become infected with EBV, which is often harmless. It is named after M. A. Epstein and Y. M. Barr, who, along with B. G. Achong, discovered the virus. In the late 1980s and early 1990s EBV became the favoured explanation for chronic fatigue syndrome. It was noted that people complaining of characteristic exhaustion had EBV, although it was also noted EBV was present in almost everyone, even those not complaining of exhaustion. The debate lasted for several years. Recently the virus has been implicated in invasive breast cancer. Diseases associated with EBV: Stevens Johnson syndrome Hepatitis.
Cytomegalovirus - also often labeled CMV, is a type of Herpes virus also known (in humans) as human herpesvirus type 5, or HHV-5. It is in the betaherpesvirinae subfamily of Herpes. The name means "cell very big virus". CMV especially attacks salivary glands and may also be devastating or even fatal to fetuses. CMV viruses are found in many mammal species, but generally are specific only to that species. Table of contents showTocToggle("show","hide") 1 General information 2 Characteristics of the virus 3 Transmission and prevention 4 Situations in which CMV infection could be a problem 4.1 Pregnancy 4.2 People Who Work with Infants and Children 4.3 Immunocompromised Patients 5 Diagnosis of CMV infection 5.4 Serologic testing 6 Treatment General information Cytomegalovirus, or CMV, is found universally throughout all geographic locations and socioeconomic groups,.
Varicella-zoster virus - Varicella-zoster virus The varicella-zoster virus (VZV), also known as human herpesvirus 3 (HHV-3), is one of the eight herpesvirus known to affect humans (and other vertebrates). It causes chickenpox as a primary infection and rarely VZV encephalitis. It can remain dormant in the host and later reactivates to induce shingles (herpes zoster, zoster multiplex, myelitis, herpes ophthalmicus, or zoster sine herpete) and post-herpetic neuralgia. It belongs to the genus Varicellovirus and the subfamily Alphaherpesvirinae. It is closely related to the herpes simplex viruses, sharing much genome homology. It is usually spherical and 150-200 nm in diameter. Its lipid envelope encloses the nucleocapsid of 162 capsomeres arranged in a hexagonal form. Its DNA is a single linear, double strand molecule, 125,000 nt long. The virus is very susceptible to.
Viral classification - ways. The most useful is probably by the type of nucleic acid the virus contains, but they can also be classified: by their geometry by whether they have envelopes by the identity of the host organism they can infect by mode of transmission by the type of disease they cause Classification by type of constituent nucleic acid (i.e. by genome type), with examples: Class I double stranded DNA. Papovavirus Papilloma (human warts, cervical cancer) Polyoma (tumors in certain animals) Adenovirus Respiratory diseases, some cause turmors in certain animals Herpesvirus Herpes simplex I (cold sores) Herpes simplex II (genital herpes) Varicella zoster (chicken pox, shingles) Epstein-Barr virus (mononucleosis, Burkitt's lymphoma) cytomegalovirus Poxvirus Smallpox Vaccinia Cowpox Class II single stranded DNA. Parvovirus (most depend on coinfection with adenoviruses for growth) Class III double.
Hepatology - Non-viral hepatitis Acute Viral Hepatitis HAV Hepatitis HBV Hepatitis HCV Hepatitis Human Cytomegalovirus Hepatitis Epstein-Barr virus Hepatitis Herpes simplex virus Hepatitis Yellow fever virus Hepatitis Rubella virus Hepatitis Chronic Viral Hepatitis Tumours of the liver Hepatocarcinoma (primary hepatic cancer) Hepatoblastoma Mestatic tumour Hepatic cysts Cavernous haemangioma Liver echinococcus Tumours of the biliary system Cholangiocarcionoma Gall bladder cancer.
HSV - HSV HSV is: Herpes simplex virus a human pathogen HSV color space (Hue Saturation Value) HSV-7 the Melbourne, Australia affiliate of the Seven television network. This is a disambiguation page; that is, one that just points to other pages that might otherwise have the same name. If you followed a link here, you might want to go back and fix that link to point to the appropriate specific page..
Guillain-Barre syndrome - this condition is also referred to as acute polyradiculoneuritis. GBS is a rare - affecting about 1 to 2 people in every 100,000 per year. It does not discriminate with regard to the age or sex of sufferers. About one half of patients have a history of preceding viral infection. Guillain-Barré syndrome may also be associated with immunizations, recent surgery or trauma, pregnancy, Hodgkin's disease and connective tissue diseases. The most frequently associated viral agents are cytomegalovirus (CMV), HIV, measles and herpes simplex virus. A bacteria called Campylobacter jejuni has recently been shown to be closely related with certain subtypes of the disease. Extensive damage of myelin causes disturbances in peripheral nerve functions, which can be classified as motor (affecting the muscle), sensory (affecting the skin) or autonomic (affecting the internal.
AIDS - of symptoms) now known to arise from the progressive destruction of the body's immune system. This destruction is caused by infection with the Human Immunodeficiency Virus (HIV), a virus transmitted through bodily fluids such as blood and semen. Table of contents showTocToggle("show","hide") 1 Infection 2 HIV and AIDS 3 Origin and description of symptoms 3.1 AIDS defining illnesses 4 AIDS Prevention 5 AIDS Treatment 6 Alternative theories 7 Origin of the virus 8 Early Years of the Epidemic 9 Current Status 10 Immunity 11 Related Articles Infection The most common ways to contract HIV include unprotected sexual activity and the use of unsterilized needles by users of intravenous recreational drugs. The virus can also be transmitted from mother to unborn child. Blood transfusions of contaminated blood as well as blood products.
Stevens Johnson syndrome - in these cases the entire skin is affected. Treatment is initially similar to that of patients with thermal burns, and continued care can only be supportive and symptomatic, there is no specific drug treatment (2002). The cause of SJS is either infections (usually following viral infections such as herpes simplex virus, influenza, mumps, cat-scratch fever, histoplasmosis, Epstein-Barr virus, or similar), drug-induced (penicillins, barbiturate, sulfas, phenytoin), malignancy-related (carcinomas and lymphomas), or idiopathic (50% of the time).
Pathogen - Treponema pallidum Staphylococcus aureus Streptococcus pyogenes Escherichia coli Salmonella typhimurium Mycobacterium tuberculosis (tuberculosis) Rickettsiae viruseses AIDS (Human Immunodeficiency Virus /HIV) Herpes /HSV (Herpes simplex virus) Warts (papillomavirus), similar viruses are believed to contribute to cervical cancer. SARS (Severe Acute Respiratory Syndrome) Cytomegalovirus Hepatitis (note that Hepatitis A and Hepatitis E are transmitted via the faecal-oral route) Hepatitis B Hepatitis C Hepatitis D Hantaviruses (including the Sin Nombre virus, which causes HPS) Molluscum contagiosum subviral pathogens such as viroids and prions. See also: the CDC's Bad Bug Book lists the most serious food-borne pathogens. Also note: HIV is a retrovirus.
Non-gonococcal urethritis - of organisms, including Neisseria gonorrheae, Chlamydia trachomatis, Ureaplasma urealyticum, Mycoplasma genitalium, Trichomonas vaginalis, Herpes simplex virus, and Candida albicans, and by a number of non-infectious causes, including urethral stricture, foreign bodies, trauma, Reiter's syndrome, and various autoimmune and allergic conditions. Of these many causes, the vast preponderance of cases are due to either gonorrhea or chlamydia. It is currently estimated that 50% of NGU cases are caused by chlamydia, with the remainder due to other causes. It is important to consider, however, the possibility that the commonly accepted contagion theories may be flawed. We can question whether or not a disease is actually 'transmitted' -rather than in some way being 'caused' by some other condition which invites rapid reproduction of opportunist microbes. Historically, it has been easy to test for the.
List of medical abbreviations - GABA gamma-aminobutyric acid GCS Glasgow Coma Scale GDLH Glutamate dehydrogenase GERD Gastro-esophageal reflux disease GFR Glomerular filtrate rate GGTP Gamma glutamyltranspeptidase GH Growth hormone GHRF Growth hormone releasing factor GITS Gastrointestinal therapeutic system GIFT Gamete intrafallopian transfer GORD Gastro-oesophageal reflux disease GOT glutamic-oxalacetic transaminase GPT glutamic-pyruvic transaminase GvH Graft-versus-host GvHD Graft-versus-host disease H HA Hypertonia arterialis HAV Hepatitis A virus HBG Hemoglobin HB Hemoglobin HBV Hepatitis B virus HCG Human chorionic gonadotropin HCT Hematocrit HCV Hepatitis C virus HDL High Density Lipoprotein HDL-C High Density Lipoprotein Cholesterol HDV Hepatitis D virus HEV Hepatitis E virus HEMS Helicopter Emergency Medical Service HGB Hemoglobin Hib Hemophilus influenzae B HIV Human immunodeficiency virus HL Hepatic Lipase HLA Human Leukocyte Antigens HOCM Hypertrophic obstructive cardiomyopathy HR Heart rate HRT Hormone replacement therapy HSG histerosalpingografia HSV.
List of notifiable diseases - congenital Tetanus Toxic-shock syndrome Trichinosis Tuberculosis Typhoid fever Yellow fever Not notifiable, but recommended for surveillance: Amebiasis Aseptic meningitis Bacterial meningitis, other Campylobacter infection Cyclospora infection Dengue fever Ehrlichiosis Genital herpes (herpes simplex virus) Genital warts Giardiasis Granuloma inguinale Leptospirosis Listeriosis Lymphogranuloma venereum Mucopurulent cervicitis Nongonococcal urethritis Pelvic inflammatory disease Rheumatic fever Tularemia Varicella (chickenpox) Source: public domain resource CDC document "Case Definitions for Infectious Conditions Under Public Health Surveillance" ftp://ftp.cdc.gov/pub/Publications/mmwr/rr/rr4610.pdf United Kingdom Anthrax Cholera Diphtheria Dysentery Encephalitis, acute Food poisoning or suspected food poisoning Haemorrhagic fever, viral Hepatitis, viral Leptospirosis Malaria Meningitis Meningoccal septicaemia (without meningitis) Mumps Ophthalmia neonatorum Paratyphoid fever Plague Poliomyelitis, acute Rabies Relapsing fever Rubella Scarlet fever Tetanus Tuberculosis (TB) Typhoid fever Typhus Whooping cough Yellow fever Source: National Health Service web site at http://www.nhsatoz.org/pls/hfht/docs/FOLDER/HFH_CONTENT/ATOZ/NOTIFIABLE+DISEASES+AND+RIDDOR.HTM.
List of sexology topics - -- cum -- cunnilingus -- cybersex -- Cytomegalovirus -- D dartos muscle -- dating -- de Clerambault's syndrome -- delayed ejaculation -- demi-monde -- dental dam -- depilation -- deviation -- diaphragm (contraceptive) -- dildo -- dildo harness -- dogging -- doggy position -- dominant (BDSM) -- domination and submission -- dominatrix -- Donovanosis -- double penetration -- double-ended dildo -- douche -- down-low -- DSM-IV -- ductus deferens -- dysmenorrhea -- dyspareunia E ectopic pregnancy -- egg donor -- ejaculation -- ejaculatory duct -- Electra complex -- ELISA test -- embryo -- emetophilia -- endometriosis -- endometrium -- enema -- Entamoeba histolytica -- epididymis -- epididymitis -- episiotomy -- epispadias -- erection -- erectile dysfunction -- Ernest Bornemann -- erotic massage -- erotica -- erotic actor -- erotic art --.
List of rare diseases starting with H - Fanconi disease Hereditary resistance to anti-vitamin K Hereditary sensory and autonomic neuropathy 3 Hereditary sensory and autonomic neuropathy 4 Hereditary sensory neuropathy type I Hereditary sensory neuropathy type II Hereditary spastic paraplegia Hereditary spherocytic hemolytic anemia Hereditary spherocytosis Hereditary type 1 neuropathy Hereditary type 2 neuropathy Hermansky-Pudlak syndrome Hermaphroditism Hernandez Aguire Negrete syndrome Herpes encephalitis Herpes simplex disease Herpes simplex encephalitis Herpes viridae disease Herpes virus antenatal infection Herpes zoster oticus Herpes zoster Herpesvirus simiae B virus Herpetic embryopathy Herpetic keratitis Herpetophobia Herrmann Opitz arthrogryposis syndrome Herrmann Opitz craniosynostosis Hers disease Hersh Podruch Weisskopk syndrome Heterophobia Heterotaxia (generic term) Heterotaxia autosomal dominant type Heterotaxy with polysplenia or asplenia Heterotaxy, visceral, X-linked Hexosaminidases A and B deficiency HHH syndrome Hibernian fever, familial Hiccups Hidradenitis suppurativa familial Hidradenitis suppurativa Hidrotic ectodermal dysplasia type.
Provirus - with the host genome and passed on to the original cell's offspring; all descendants of the infected cell will also bear proviruses in their genomes. Eventually, in response to changes in the host's environmental conditions or health, the provirus will excise itself from the genome again and resume activity as a virus. This results in the destruction of its host as its protein synthesis machinery is hijacked to produce more viruses. Examples in humans include the herpes viruses. See also : lysogenic phage -- retroposon.
Encephalitis - encountered agents are arboviruses (carried by mosquitoes or ticks) and enteroviruses (coxsackievirus, poliovirus and echovirus). Some of the less frequent agents are measles, rabies, mumps, varicella and herpes simplex viruses. Patients with encephalitis suffer from fever, headache, vomiting, confusion, drowsiness and photophobia. The symptoms of encephalitis are caused by brain's defense mechanisms being activated to get rid of infection (brain swelling, small bleedings and cell death). Neurologic examination usually reveals a stiff neck due to the irritation of the meninges covering the brain. Examination of the cerebrospinal fluid obtained by a lumbar puncture procedure reveals increased amounts of proteins and white blood cells with normal glucose. A CT scan examination is performed to reveal possible complications of brain swelling, brain abscess or bleeding. Lumbar puncture procedure is performed only after the.
