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Haemophilus influenzae vaccine does not elicit helper T cells.
2004 MAR 3 - (NewsRx.com & NewsRx.net) -- The Haemophilus influenzae type b conjugate vaccine does not elicit antigen-specific helper T cells.
"A small number of fully vaccinated children in the U.K. have experienced invasive Haemophilus influenzae type b (Hib) infection. A rise in disease in recent years has been associated with lower vaccine-induced antibody levels over the first five years of life, forcing greater dependence on immunological memory for protection. This has necessitated the introduction of a catch-up campaign, designed to boost immunity in children aged six months to four years of age," researchers in England report.
"We suggest that the conjugate vaccine's inability to induce pathogen-specific helper T cells, combined with a loss of natural boosting due to reduced circulation of Hib, may have contributed to the rising incidence of invasive disease 10 years after introduction of the conjugate vaccine," said Jodie McVernon at the Communicable Disease Surveillance Centre, and collaborators at University College and the University of Oxford. "If so, the changing epidemiology of Hib infection in the UK may in part reflect ...
- Haemophilus influenzae type b disease increasing in vaccinated children.
- Newspaper article from: Vaccine Weekly October 1, 2003 700+ words
...net) -- Haemophilus influenzae type b disease...October 1992, Haemophilus influenzae type b...Ramsay at the Communicable Disease Surveillance...Estimating Haemophilus influenzae type b vaccine...PHLS) Communicable Disease Surveillance...
- Haemophilus influenzae vaccine does not elicit helper T cells.
- Newspaper article from: Health & Medicine Week March 1, 2004 700+ words
...experienced invasive Haemophilus influenzae type b (Hib...McVernon at the Communicable Disease Surveillance...and efficacy of Haemophilus influenzae type b conjugate...Protection Agency, Communicable Disease Surveillance...
- Catch-up vaccination campaign for Haemophilus influenzae effective.
- Newspaper article from: Vaccine Weekly June 25, 2003 700+ words
...children against Haemophilus influenzae has been effective...number of cases of Haemophilus influenzae type b (Hib...Antibody to Haemophilus influenzae type b after...Immunisation Division, Communicable Disease Surveillance...
- Haemophilus influenzae type b conjugate vaccines reviewed.
- Newspaper article from: Immunotherapy Weekly November 24, 2004 700+ words
...NewsRx.net) -- Scientists review Haemophilus influenzae type b conjugate vaccines in a...According to a study from England, "Haemophilus influenzae type b (Hib) is one of the leading...their findings in Immunology (Haemophilus influenzae type b conjugate vaccines. Immunology...
- Haemophilus influenzae incidence in South Korean children reported.
- Newspaper article from: Science Letter December 7, 2004 700+ words
...Investigators report the incidence of Haemophilus influenzae type b and other invasive diseases...determine incidence of invasive Haemophilus influenzae type b (Hib) disease in a defined...research in Vaccine (Incidence of Haemophilus influenzae type b and other invasive diseases...
- Haemophilus influenzae isolates thrive in cystic fibrosis sputum.
- Newspaper article from: Genomics & Genetics Weekly December 17, 2004 700+ words
...com & NewsRx.net) -- Haemophilus influenzae isolates thrive in cystic fibrosis...resistance to antibiotics. Five hundred Haemophilus influenzae isolates were screened for an increased...Microbiology - SGM (Hypermutable Haemophilus influenzae with mutations in mutS are found...
- Haemophilus influenzae type b vaccination provides indirect protection.
- Newspaper article from: Science Letter December 14, 2004 700+ words
...com & NewsRx.net) -- Haemophilus influenzae type b vaccination provides indirect...magnitude of indirect protection in Haemophilus influenzae type b (Hib) vaccination. On...Indirect protection obtained by Haemophilus influenzae type b vaccination: analysis in...
- Haemophilus influenzae Rd KW20 has virulence properties.
- Newspaper article from: Virus Weekly June 24, 2003 700+ words
...amp; NewsRx.net) -- Haemophilus influenzae Rd KW20 demonstrated virulence properties. "Haemophilus influenzae is a human-adapted commensal...of Medical Microbiology (Haemophilus influenzae Rd KW20 has virulence properties...
