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Topic: Haemophilus influenzae


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  Haemophilus influenzae - Wikipedia, the free encyclopedia
Haemophilus influenzae, formerly called Pfeiffer's bacillus or Bacillus influenzae, is a non-motile Gram-negative coccobacillus first described in 1892 by Dr. Richard Pfeiffer during an influenza pandemic.
influenzae was mistakenly considered to be the cause of the common flu until 1933, when the viral etiology of the flu became apparent.
influenzae (non-B type) causes ear (otitis media) and eye (conjunctivitis) infections and sinusitis in children, and is associated with pneumonia.
en.wikipedia.org /wiki/Haemophilus_influenzae   (570 words)

  
 Haemophilus influenzae
Haemophilus influenzae is a small, nonmotile Gram-negative bacterium in the family Pasteurellaceae, on the level with the Vibrionaceae and the Enterobacteriaceae.
Encapsulated strains of Haemophilus influenzae isolated from cerebrospinal fluid are coccobacilli, 0.2 to 0.3 to 0.5 to 0.8 um, similar in morphology to Bordetella pertussis, the agent of whooping cough.
influenzae is susceptible to lysis by antibody and complement.
textbookofbacteriology.net /haemophilus.html   (2557 words)

  
 Medmicro Chapter 30
Haemophilus influenzae colonizes healthy children and adults (although the rate of colonization is far greater for nontypable than for type b H influenzae) and is spread by direct contact, secretions, and/or aerosol.
Haemophilus influenzae, the major pathogen, can be separated into encapsulated or typable strains, of which there are seven types (a through f including e') based on the antigenic structure of the capsular polysaccharide, and unencapsulated or nontypable strains.
Haemophilus aegyptius, which causes conjunctivitis and Brazilian purpuric fever, and Haemophilus haemolyticus used to be separated on the basis of their ability to agglutinate or lyse red blood cells, but both are now included among the nontypable H influenzae strains.
gsbs.utmb.edu /microbook/ch030.htm   (4620 words)

  
 Hib, Haemophilus influenzae type b bacteria, vaccines, disease, vaccine, vaccination & immunization
Haemophilus influenzae type b, Hib bacteria, Haemophilus influenzae type b vaccine, Hib vaccination, Haemophilus influenzae b vaccines, benign infections, invasive infections, disease, epidemiology, vaccination, meningitis, pneumonia, epiglottitis, arthritis, cellulites, osteomyelitis, conjugated Hib vaccines, invasive Hib diseases prevention in infants, combined vaccine.
Haemophilus influenzae is a bacteria that exists in a strictly human reservoir for which two major types of strains have been isolated: the non-encapsulated strains responsible for benign infections in children and adults and the encapsulated strains responsible for invasive infections, comprising six subtypes, a to f.
Peltola H. Worldwide Haemophilus influenzae type b disease at the beginning of the 21st century: global analysis of the disease burden 25 years after the use of the polysaccharide vaccine and a decade after the advent of conjugates.
www.haemophilus.org   (1170 words)

  
 Haemophilus Influenzae Infections
Haemophilus influenzae, or H. influenzae, represents a group of bacteria that may cause different types of infections in infants and children.
The more serious strain was responsible for causing meningitis (infection of the membranes that surround the brain) and a life-threatening infection called epiglottitis (infection of the area of the throat that covers and protects the voice box and trachea during swallowing).
The H. influenzae bacteria live in the upper respiratory tract and are usually transmitted by close contact with an infected individual.
www.healthsystem.virginia.edu /uvahealth/peds_infectious/hii.cfm   (787 words)

  
 Antigenic Diversity and Gene Polymorphisms in Haemophilus influenzae -- Gilsdorf 66 (11): 5053 -- Infection and Immunity
Antigenic Diversity and Gene Polymorphisms in Haemophilus influenzae -- Gilsdorf 66 (11): 5053 -- Infection and Immunity
Haemophilus influenzae is a gram-negative bacillus that lives symbiotically in the upper respiratory tracts of humans.
Haemophilus influenzae resides and multiplies intracellularly in human adenoid tissue as demonstrated by in situ hybridization and bacterial viability assay.
iai.asm.org /cgi/content/full/66/11/5053   (4730 words)

  
 Haemophilus Influenzae Surveillance Protocol   (Site not responding. Last check: 2007-09-01)
Haemophilus influenzae outbreaks of this nature are generally recognized after a larger than expected number of cases of H.
influenzae is short, probably 2-4 days, and the infectious period can last until the patient is started on an effective antibiotic, the onset dates for cases with a common source are usually spread over several days to a week.
influenzae type b cases as the antibodies are not induced in young children and not reliably induced in older individuals.
www.wvdhhr.org /idep/h_influenzae_protocol.htm   (1097 words)

  
 eMedicine - Haemophilus Influenzae Infections : Article Excerpt by: Vidya R Devarajan, MD
Pathophysiology: The nomenclature (Haemophilus is Greek for "blood loving") acknowledges the fact that H influenzae requires 2 erythrocyte factors for growth: X (hemin) and V (nicotinamide-adenine-dinucleotide).
H influenzae consists of 8 biotypes; biotype 3 (Haemophilus aegyptius) is associated with Brazilian purpuric fever, and biotype 4 is a neonatal, maternal, and genital pathogen.
H influenzae is a common resident of the nasopharyngeal mucosa and, in some instances, of the conjunctivae and genital tract.
www.emedicine.com /med/byname/haemophilus-influenzae-infections.htm   (498 words)

  
 Haemophilus Influenzae Type B (HIB)
Haemophilus influenzae type b (Hib) is a life threatening condition.
Before the introduction of Hib immunisation in 1993, the bacterial infection Haemophilus influenza type B was one of the most common causes of meningitis in young children (generally under the age of 2 years), and it was also the cause of epiglottitis which causes breathing problems.
Haemophilus influenza type b is a highly contagious bacterium which is known to cause meningitis, epiglottitis, pneumonia, septic arthritis, cellulitis, pericarditis, empyema and osteomyelitis.
www.healthinsite.gov.au /topics/Haemophilus_Influenzae_Type_B__HIB_   (297 words)

  
 Haemophilus Influenzae - DrGreene.com
Not long ago H influenzae type b (Hib) was the number one cause of bacterial meningitis.
Haemophilus influenzae (H flu) are common bacteria that cause a wide variety of infections in children.
This was disproved a decade before the influenza virus was eventually discovered, but the name for the bacteria had already been in use for a generation, and the name stuck.
www.drgreene.com /21_1102.html   (499 words)

  
 Haemophilus b Conjugate Vaccines for Prev of Haemophilus influenzae
Haemophilus influenzae type b (Hib) is the leading cause of invasive bacterial disease among children in the United States.
Haemophilus influenzae type b capsular polysaccharide vaccine in children: a double-blind field study of 100,000 vaccinees 3 months to 5 years of age in Finland.
Haemophilus influenzae type b immunization of children with sickle cell diseases.
wonder.cdc.gov /wonder/prevguid/m0041736/m0041736.asp   (3236 words)

  
 eMedicine - Haemophilus Influenzae Infections : Article by Vidya R Devarajan, MD
Neonates with H influenzae disease present within 24 hours of birth; these infections are caused by the nontypeable H influenzae, which colonizes on the maternal genital tract.
S pneumoniae and nonencapsulated H influenzae are the most common causes of otitis media, which manifests in infants as fever and irritability and in older patients as ear pain.
Community-acquired pneumonias due to nontypeable H influenzae are characterized by alveolar infiltrates in patchy or lobar distributions.
www.emedicine.com /med/topic936.htm   (7415 words)

  
 Haemophilus influenzae type B vaccine   (Site not responding. Last check: 2007-09-01)
Wherever thorough studies have been performed, Haemophilus influenzae type b (Hib) has been shown to be an important cause of childhood meningitis and a major cause of bacterial pneumonia in children.
influenzae type b (Hib) is estimated to cause at least 3 million cases of serious disease and 400 000–700 000 deaths each year in young children.
Randomized trial of Haemophilus influenzae type b tetanus protein conjugate vaccine for prevention of pneumonia and meningitis in Gambian infants.
www.who.int /vaccines/en/haeflub.shtml   (1836 words)

  
 Haemophilus Influenzae Infections
influenzae, represents a group of bacteria that may cause different types of infections in infants and children.
Meningitis - due to the H. influenzae type b vaccine, meningitis is very rare in children and infants.
Immunization against type b, which is the most invasive strain of H. influenzae, is routinely administered in a three or four part series.
www.chw.org /display/PPF/DocID/22742/router.asp   (823 words)

  
 Haemophilus Influenzae Infections - Children's Hospital Boston
However, H. influenzae type b has been nearly abolished in the US due to effective vaccine development, which has been available since 1988.
influenzae type b infections can occur if a child has not completed his or her series of immunizations or in older children who did not receive the vaccine as an infant.
H. influenzae type b has been nearly abolished in the US due to effective vaccine development, which has been available since 1988.
www.childrenshospital.org /az/Site976/printerfriendlypageS976P0.html   (1038 words)

  
 Dr. Koop - Hib - vaccine
This vaccine (immunization) prevents childhood Haemophilus influenza B infections, which can cause a severe and potentially fatal illness.
Haemophilus b conjugate vaccine is one of the recommended childhood immunizations.
Serious Haemophilus b infections are most common in children 6 to 12 months old, but may also occur in older children.
www.drkoop.com /ency/93/002023.html   (360 words)

  
 Medical Dictionary: Haemophilus influenzae - WrongDiagnosis.com
Haemophilus influenzae: A species of HAEMOPHILUS found on the mucous membranes of humans and a variety of animals.
Haemophilus influenzae : species of Haemophilus found on the mucous membranes of humans and a variety of animals; the species is further divided into biotypes I through VIII.
Haemophilus influenzae: Another name for Hemophilus influenzae B (or close medical condition association).
www.wrongdiagnosis.com /medical/haemophilus_influenzae.htm   (302 words)

  
 Haemophilus Influenzae Type b Facts
Haemophilus influenzae type b disease, also called Hib disease, is an illness that can cause a potentially fatal brain infection in young children.
Until recently, Hib disease was an important cause of serious, often deadly, infections in children under age 5.
Hib disease is caused by Haemophilus influenzae serotype b, a bacterium.
www.astdhpphe.org /infect/hib.html   (681 words)

  
 Medical Dictionary: Haemophilus influenzae B - WrongDiagnosis.com
Haemophilus influenzae B (medical condition): Bacterial respiratory infection with dangerous complications.
Haemophilus influenzae B: Another name for Hemophilus influenzae B (or close medical condition association).
Haemophilus influenzae B: Haemophilus influenzae B is listed as a type of (or associated with) the following medical conditions in our database: Bacterial diseases, Vaccine-preventable diseases
www.wrongdiagnosis.com /medical/haemophilus_influenzae_b.htm   (164 words)

  
 Haemophilus Influenzae Infections - Children's Hospital of Philadelphia
A more serious strain of the bacteria called H. influenzae type b has been nearly abolished in the United States due to effective vaccine development, which has been available since 1988.
This can occur if children have not completed their series of immunizations or in older children who did not receive the vaccine as infants.
During the early 1980s, the estimated incidence of H. influenzae disease in the United States was close to 20,000 cases per year.
www.chop.edu /consumer/your_child/condition_section_index.jsp?id=-9194   (782 words)

  
 Haemophilus influenzae background   (Site not responding. Last check: 2007-09-01)
influenzae serotype strains (a through f) have been identified on the basis of immunologically distinct capsular polysaccharide antigens.
Non-typeable strains also exist and are distinguished by their lack of detectable capsular polysaccharide.
It is significant in that it is the strain from which the first DNA restriction enzymes were purified.
www.tigr.org /tdb/CMR/ghi/htmls/Background.html   (143 words)

  
 Notifiable Condition: Haemophilus influenzae
Since the widespread adoption of routine childhood immunization against Haemophilus influenzae type b (Hib) in 1991, the rates of invasive Hib have fallen dramatically.
Invasive disease caused by Haemophilus influenzae type b may produce any of several clinical syndromes, including meningitis, bacteremia, epiglottitis, or pneumonia.
Positive antigen test results from urine or serum samples are unreliable for diagnosis of H. influenzae type b disease.
www.doh.wa.gov /Notify/guidelines/hinfluenza.htm   (835 words)

  
 Haemophilus Influenzae Type b (Hib)
Haemophilus influenzae type b (Hib) is a serious disease caused by bacteria that usually strikes children under the age of 5.
It is spread from person-to-person by coughing and sneezing.
Immunization against Hib:H. influenzae type b has been nearly abolished in the US due to effective vaccine development, which has been available since 1988.
www.healthsystem.virginia.edu /uvahealth/peds_growth/hib.cfm   (376 words)

  
 Haemophilus Inluenzae   (Site not responding. Last check: 2007-09-01)
Haemophilus influenzae type b (Hib) Disease Fact Sheet
Haemophilus influenzae type b (Hib) is a bacterium that causes serious infections
Hib and types of Haemophilus influenzae other than type b can cause disease in elderly persons with underlying health conditions.
edcp.org /factsheets/haeinfl.html   (380 words)

  
 Haemophlius Influenza
Haemophilus influenza, a gram negative coccobacilli, is a bacterial agent that causes disease globally.
There are six serological types of of Haemophilus influenza, types a, b, c, d, and e.
Haemophilus influenza type b (Hib) is one of the causative agents of bacterial meningitis, which is particularly prevalent in children under five years of age.
www.brown.edu /Courses/Bio_160/Projects1999/bmenin/haeinfl.html   (544 words)

  
 Haemophilus influenzae type b   (Site not responding. Last check: 2007-09-01)
Haemophilus influenzae type b disease is not as well known as other childhood diseases.
Even though "flu" or "influenza" are part of its name, Hib does not cause the flu.
No states have laws requiring school children to be immunized against Hib disease, because children are no longer at high risk by the time they reach school age.
www.ecbt.org /hib.htm   (363 words)

  
 Haemophilus Influenzae Type b (Hib) - Children's Hospital of Philadelphia
Haemophilus Influenzae Type b (Hib) - Children's Hospital of Philadelphia
Haemophilus influenzae type b (Hib) is a serious disease caused by bacteria that usually strikes children under the age of five.
influenzae type b has been nearly abolished in the US due to effective vaccine development, which has been available since 1988.
www.chop.edu /consumer/your_child/wellness_index.jsp?id=-9550   (365 words)

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