Department of Public Health

 Department of Public Health Research Research areas Epidemiology, Environment and Biostatistics Vaccination epidemiology

Vaccination epidemiology

In 2019, the WHO put vaccine scepticism on their top 10 list of global threats to public health. We experienced it ourselves in Denmark when introducing the HPV vaccine, and there has been discussions in connection with vaccination against COVID-19.

When we introduce vaccines to a large number of citizens, symptoms that actually have other causes may occur in temporal relations with the vaccines, just by accident. If the true causes of the symptoms are unclear, then the vaccine will often be a tangible explanation in the hunt for a cause. Thus, our research aims to contribute to greater confidence in the vaccination programme by identifying the actual side effects and by rejecting side effects that have other causes.

Research areas

We have a particular focus on non-specific symptoms. We often cannot find information about these in the registers, and, it is therefore necessary to collect the information directly from the citizens.

Currently, our research focuses on two projects:

  • Possible side effects from Corona vaccine
  • Possible causes of symptoms after HPV vaccination

Recent publications

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Hansen, S., Strøm, M., Olsen, S. F., Maslova, E., Rantakokko, P., Kiviranta, H., Rytter, D., Bech, B. H., Hansen, L. V. & Halldorsson, T. I. (2014). Maternal concentrations of persistent organochlorine pollutants and the risk of asthma in offspring: results from a prospective cohort with 20 years of follow-up. Environmental Health Perspectives, 122(1), 93-9. https://doi.org/10.1289/ehp.1206397
Maslova, E., Rytter, D., Bech, B. H., Henriksen, T. B., Rasmussen, M. A., Olsen, S. F. & Halldorsson, T. I. (2014). Maternal protein intake during pregnancy and offspring overweight 20 y later. American Journal of Clinical Nutrition, 100(4), 1139-1148. https://doi.org/10.3945/ajcn.113.082222
Larsen, P. S., Andersen, A.-M. N., Uldall, P., Bech, B. H., Olsen, J., Hansen, A. V. & Strandberg-Larsen, K. (2014). Maternal vegetarianism and neurodevelopment of children enrolled in The Danish National Birth Cohort. Acta paediatrica (Oslo, Norway : 1992), 103(11). https://doi.org/10.1111/apa.12761
Li, J., Vestergaard, M., Cnattingius, S., Gissler, M., Bech, B. H., Obel, C. & Olsen, J. (2014). Mortality after Parental Death in Childhood: A Nationwide Cohort Study from Three Nordic Countries. P L o S Medicine (Online), 11(7), e1001679. https://doi.org/10.1371/journal.pmed.1001679
Bach, C. C., Bech, B. H., Lauridsen, N. B., Nøhr, E. A., Bonde, J. P. & Henriksen, T. B. (2014). Perfluoroalkyl and polyfluoroalkyl substances and human fetal growth: A systematic review. Poster session presented at Annual Meeting in the European Academy of Pediatric Societies, Barcelona, Spain.
Bach, C. C., Bech, B. H., Brix, N., Nøhr, E. A., Bonde, J. P. & Henriksen, T. B. (2014). Perfluoroalkyl and polyfluoroalkyl substances and human fetal growth: A systematic review. Critical Reviews in Toxicology, Article DOI 10.3109/10408444.2014.952400.
Nohr, E. A., Olsen, J., Bech, B. H., Bodnar, L. M., Olsen, S. F. & Catov, J. M. (2014). Periconceptional intake of vitamins and fetal death: a cohort study on multivitamins and folate. International Journal of Epidemiology, 43(1), 174-84. https://doi.org/10.1093/ije/dyt214

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BiCoVac

A research project that aims to clarify frequency of symptoms among vaccinated vs. unvaccinated persons.
Revised 22.01.2026
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