The term meningitis is often applied to meningococcal meningitis, which is caused by neisseria meningitidis, known commonly as meningococcus. The neisseria meningitidis capsule is important for intracellular survival in human cells. We report a case of urethritis caused by a novel multilocus sequence type st, 10651, of the st11electrophoretic type et37 complex neisseria meningitidis serotype w. Neisseria meningitidis an overview sciencedirect topics. Neisseria meningitidis haemophilus influenzae streptococcus pneumoniae streptococcus pyogenes group a strep neisseria meningitidis is immediately reportable on first knowledge or suspicion of the diagnosis due to the potential need for prophylaxis of close contacts within 24 hours of suspected diagnosis suspicion is. Enfermedad por meningococo, neisseria meningitidis. It is primarily a disease of youth and especially of children under age 10, though all ages may be affected. It causes the membranes that cover the brain and spinal cord to become inflamed. Start studying neisseria meningitidis o meningococo.
The bacterium is referred to as a coccus because it is round, and more specifically, diplococcus because of its tendency to form pairs. Bacterial meningitis constitutes a significant global public health problem. Clients who are identified as exposed contacts and recommended to receive postexposure prophylaxis should be directed to an appropriate resource to receive their pep. There are more than 500,000 reported cases of meningococcal disease per year, with an estimated annual death toll of 5,000 zimmer and stephens 2004. The vaccines are between 85 and 100% effective for at least two years. In particular, neisseria meningitidis continues to be a public health problem among human populations in both developed and developing countries. See the article acute urethritis due to neisseria meningitidis group a acquired by orogenital contact.
Neisseria meningitidis is an aerobic, gramnegative diplococcus that causes meningococcal diseases such as meningococcemia and bacterial meningitis. Neisseria meningitidis definition of neisseria meningitidis. Neisseria meningitidis wikipedia, a enciclopedia livre. Meningococcal disease neisseria meningitidis disease. Full text get a printable copy pdf file of the complete article 384k, or click on a page image below to browse page by page. Csf, blood are to be investigated in accordance with the communicable disease reporting rule 410 iac 12. Neisseria meningitidis will attach to the microvilli of nonciliated columnar epithelial cells that reside in the nasal region of humans. It can grow on both a blood agar plate bap and a chocolate agar plate cap. Learn vocabulary, terms, and more with flashcards, games, and other study tools. The microbiology, pathobiology, epidemiology, and diagnosis of n. Neisseria meningitidis wikipedia, a enciclopedia libre. There are a number of viral and bacterial causes of meningitis, but neisseria meningitidis is the most common cause of the more serious bacterial meningitis in children who are most susceptible to the disease, and one of the most common in adults.
Neisseria meningitidis, often referred to as meningococcus, is a gramnegative bacterium that can cause meningitis and other forms of meningococcal disease such as meningococcemia, a lifethreatening sepsis. Urethritis caused by novel neisseria meningitidis serogroup w. These illnesses are often severe and can be deadly. The etiological agent is neisseria meningitidis, a gram negative diplococcus and an obligate human pathogen. See microbiology and pathobiology of neisseria meningitidis and epidemiology of neisseria meningitidis infection and diagnosis of meningococcal. Meningokokoek sorrarazten dituzten gaixotasunen artean meningitis dago neisseria guztien antzera, neisseria meningitidisek ostalari baten barruan bizi behar du beti, ezin du aske bizi. The bacteria are able to multiply and form a colony because of its ability to acquire iron from the host. Neisseria meningitidis is a bacteria that is best known for its role in endemic bacterial meningitis. The investigation shall include collecting case information, obtaining laboratory.
Mechanism of meningeal invasion by neisseria meningitidis. Neisseria meningitidis wikipedia, entziklopedia askea. Lipooligosaccharide structure contributes to multiple steps. Neisseria meningitidis is a gramnegative diplococcus bacterium that is responsible for endemic and epidemic meningococcal meningitis and fulminant meningococcemia munford 2001. Available vaccines include the polysaccharide monovalent, bivalent serogroups a, c, or tetravalent a. Meningococcal disease is a contagious infection spread by close contact, such as living with or kissing an infected person.
Population structure and capsular switching of invasive neisseria meningitidis isolates in the premeningococcal conjugate vaccine eraunited states, 20002005. The bacteria are spherical, ranging in diameter from 0. Meningitidis is described as a gramnegative diplococci. Neisseria gonorrhoeae, also known as gonococcus, is a species of gramnegative coffee beanshaped diplococci that typically appear in pairs with the opposing sides flattened. Neisseria meningitidis causes, symptoms, diagnosis. Neisseria meningitidis meningococcus infectious disease a grampositive coccus which is part of the normal nasopharyngeal flora. Meningococcal meningitis and sepsis are devastating diseases which still affect people with an incidence varying between 0. Neisseria meningitidis o meningococo flashcards quizlet. The fact that this bacteria is gram negative means that there is very little or no peptidoglycan in the cell wall.
Treatment and prevention of meningococcal infection uptodate. Quick medical attention is extremely important if meningococcal disease is suspected. Neisseria meningitidis caracteristicas generales requerimientos. Meningococcal infection is present as an endemic and an epidemic disease. Meningococcal meningitis is worldwide in distribution. We also report on the patients male partner, who was colonized with the same bacteria. They include infections of the lining of the brain and spinal cord meningitis and bloodstream infections bacteremia or septicemia. Meningococcal disease can refer to any illness that is caused by a type of bacteria called neisseria meningitidis.
Nevertheless, the key to effective control and prevention of meningococcal disease is immunoprophylaxis. Neisseria meningitidis is a frequent asymptomatic colonizer of the human nasopharynx, and only a very small proportion of infections proceed to a sustained bacteremia. Routine throat or nasopharyngeal culture of contacts is not helpful in determining who warrants chemoprophylaxis. Meningococcus, the bacterium neisseria meningitidis, which causes meningococcal meningitis in humans, who are the only natural hosts in which it causes disease. Different versions are effective against some or all of the following types of meningococcus. Eskakizun nutritibo oso zorrotzak ditu, ez baita hazkuntzainguru arruntetan hazten. Neisseria meningitidis, meningokoko izenez ere ezaguna, diplokoko motako bakterio bat da.
Meningococcal vaccine refers to any of the vaccines used to prevent infection by neisseria meningitidis. Abcs personnel routinely contacted all microbiology laboratories serving acute care hospitals in their area to identify cases. No tienen movilidad, no forman esporas y no son acidorresistentes. Neisseria meningitides is an aerobic, nonsporeforming gramnegative coccobacilli that resides in its natural habitat within the nasopharyngeal tract of humans. Meningitis arises upon inflammation of the meninges, which consists of the membrane that envelops and protects the central nervous system.
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