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ME/CFS SOUTH AUSTRALIA INC

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Immune responses after influenza vaccination in patients with CFS

Thursday 27 December 2012

 

From BMC Immunology:

 

VaccineHumoral and cellular immune responses after influenza vaccination in patients with chronic fatigue syndrome

Hetty Prinsen, I Jolanda de Vries, Ruurd Torensma, Jeanette M Pots, Sasja F Mulder, Carla M van Herpen, Lammy D Elving, Gijs Bleijenberg, Foekje F Stelma and Hanneke W van Laarhoven

BMC Immunology 2012, 13:71 doi:10.1186/1471-2172-13-71
Published: 17 December 2012

Abstract (provisional)

Background

Chronic fatigue syndrome (CFS) is a clinical condition characterized by severe and disabling fatigue that is medically unexplained and lasts longer than 6 months. Although it is possible to effectively treat CFS, the nature of the underlying physiology remains unclear. Various studies have sought evidence for an underlying disturbance in immunity. The aim of this study was to compare the humoral and cellular immune responses upon influenza vaccination in CFS patients and healthy controls.

Results

Identical antibody titers were observed in CFS patients and healthy controls. Patients and controls demonstrated similar seroprotection rates against all three virus-strains of the influenza vaccine, both pre- and post-vaccination. Functional T cell reactivity was observed in both CFS patients and healthy controls. CFS patients showed a non-significant, numerically lower cellular proliferation at baseline compared to controls. Vaccination induced a significant increase in cellular proliferation in CFS patients, but not in healthy controls. Cytokine production and the number of regulatory T cells were comparable in patients and controls.

Conclusions

The humoral and cellular immune responses upon influenza vaccination were comparable in CFS patients and healthy controls. Putative aberrations in immune responses in CFS patients were not evident for immunity towards influenza. Standard seasonal influenza vaccination is thus justified and, when indicated, should be recommended for patients suffering from CFS.

The complete article is available as a provisional PDF. The fully formatted PDF and HTML versions are in production.

 

The above originally appeared here.

 


 

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