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Clin Microbiol Infect. 2019 May 31. pii: S1198-743X(19)30287-3. doi: 10.1016/j.cmi.2019.05.024. [Epub ahead of print]

Heterologous effects of vaccination and trained immunity.

Author information

1
Department of Internal Medicine, Radboud University Medical Center, Nijmegen, the Netherlands; Faculty of Medicine, Research Group of Immunology and Biochemistry, Hasselt University, Hasselt, Belgium. Electronic address: inge.gyssens@radboudumc.nl.
2
Department of Internal Medicine, Radboud University Medical Center, Nijmegen, the Netherlands; Department for Immunology & Metabolism, Life and Medical Sciences Institute (LIMES), University of Bonn, Bonn, Germany.

Abstract

Vaccines are applied to large populations, but only recently has research into immunologic responses and mechanisms started to increase exponentially. Some live vaccines, such as the tuberculosis vaccine bacillus Calmette-Guérin, protect against other infections nonspecifically by eliciting complex immune responses which are not specific antibody related. These heterologous effects are explained by the concept of trained immunity. This editorial introduces five narrative reviews offering recent insights on innate and adaptive immune memory towards a variety of pathogens.

PMID:
31158520
DOI:
10.1016/j.cmi.2019.05.024

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