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- Title
Seroprevalence of Antibodies against Diphtheria, Tetanus and Pertussis in Adult At-Risk Patients.
- Authors
Boey, Lise; Bosmans, Eline; Ferreira, Liane Braz; Heyvaert, Nathalie; Nelen, Melissa; Smans, Lisa; Tuerlinckx, Hanne; Roelants, Mathieu; Claes, Kathleen; Derdelinckx, Inge; Janssens, Wim; Mathieu, Chantal; Van Cleemput, Johan; Vos, Robin; Desombere, Isabelle; Vandermeulen, Corinne
- Abstract
Patients with chronic diseases are at increased risk of complications following infection. It remains, however, unknown to what extend they are protected against vaccine-preventable diseases. We assessed seroprevalence of antibodies against diphtheria, tetanus and pertussis to evaluate whether current vaccination programs in Belgium are adequate. Antibody titers were assessed with a bead-based multiplex assay in serum of 1052 adults with chronic diseases. We included patients with diabetes mellitus type 1 (DM1) (n = 172), DM2 (n = 77), chronic kidney disease (n = 130), chronic obstructive pulmonary disease (COPD) (n = 170), heart failure (n = 77), HIV (n = 196) and solid organ transplant (SOT) recipients (n = 230). Factors associated with seroprevalence were analysed with multiple logistic regression. We found seroprotective titers in 29% for diphtheria (≥0.1 IU/mL), in 83% for tetanus (≥0.1 IU/mL) and 22% had antibodies against pertussis (≥5 IU/mL). Seroprotection rates were higher (p < 0.001) when vaccinated within the last ten years. Furthermore, diphtheria seroprotection decreased with age (p < 0.001). Tetanus seroprotection was less reached in women (p < 0.001) and older age groups (p < 0.001). For pertussis, women had more often a titer suggestive of a recent infection or vaccination (≥100 IU/mL, p < 0.01). We conclude that except for tetanus, the vast majority of at-risk patients remains susceptible to vaccine-preventable diseases such as diphtheria and pertussis.
- Subjects
BELGIUM; TYPE 1 diabetes; DIPHTHERIA; WHOOPING cough; TETANUS; OBSTRUCTIVE lung diseases
- Publication
Vaccines, 2021, Vol 9, Issue 1, p18
- ISSN
2076-393X
- Publication type
Article
- DOI
10.3390/vaccines9010018