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Thursday, May 26 • 15:00 - 15:30
Longevity of immunity following Q fever vaccination

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Over 300 vets (n=341) have participated in a longevity of immunity study. Serology was collected at national Veterinary conference and vet faculties at Sydney and Charles Sturt University. Demographic details, exposure history, vaccination status, and results of pre-vaccination screening (confirmed with the provider who administered the vaccine or via university health records) were collected for each individual enrolled in the study. Q fever serology was performed by the Australian Rickettsial Reference Laboratory, Victoria using standard immunofluorescence methods (phase 1 and 2 IgG, IgM) to measure a wider variety of antibody responses compared to CFT and allow correlation with accurate vaccine history. 208 vets reported a history of Q fever vaccine and most (87-90%) were seronegative to phase 1 IgG and IgM. Cell mediated immunity (CMI) results are pending. Despite negative serology it is expected that immunity to Q fever remains given the known effectiveness of Q fever vaccine and likely role of CMI in protection


Dr Nicholas Wood

Dr Nicholas Wood is a staff specialist paediatrician at The Children’s Hospital at Westmead and the National Centre for Immunisation Research and Surveillance. He leads an NHMRC project grant titled: Q fever: How common is it and how can we best prevent it? Research to inform vaccine... Read More →

Thursday May 26, 2016 15:00 - 15:30 ACST
Room L2 Adelaide Convention Centre