Publications by authors named "H Helle"

Article Synopsis
  • Understanding the infection dynamics of zoonotic diseases like Puumala orthohantavirus (PUUV) is crucial for assessing human risks from wildlife.
  • A study in Finland analyzed bank vole populations, rodent and predator dynamics, and environmental factors over five years to see how these affect PUUV prevalence and human infection rates.
  • Key findings revealed that an increase in certain predators and a higher number of young bank voles can lower the number of infected bank voles, ultimately reducing the risk of PUUV for humans.
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Yersinia enterocolitica and Yersinia pseudotuberculosis are important zoonotic bacteria causing human enteric yersiniosis commonly reported in Europe. All Y. pseudotuberculosis strains are considered pathogenic, while Y.

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1. Pathogens often cause detrimental effects to their hosts and, consequently, may influence host population dynamics that may, in turn, feed back to pathogen transmission dynamics. Understanding fitness effects of pathogens upon animal host populations can help to predict the risks that zoonotic pathogens pose to humans.

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Aim: To determine whether an electronic nose can differentiate cultured nonmalignant and malignant prostatic cells from each other and whether the smell print is secreted to the surrounding medium.

Materials & Methods: Prostatic nonmalignant (EP-156T and controls) and malignant (LNCaP) cell lines, as well as conditioned and unconditioned media, were collected. The smell prints of the samples were analyzed by a ChemPro(®) 100 electronic nose device.

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1. The effects of environment experienced during early development on phenotype as an adult has started to gain vast amounts of interest in various taxa. Some evidence on long-term effects of juvenile environment is available, but replicated experimental studies in wild animals are still lacking.

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