What causes an outbreak of tularaemia (rabbit fever) has until now been a mystery, and where the bacteria go between outbreaks is still unknown. Climatic factors have now been shown to be a possible trigger for outbreaks of the disease in a study carried out by Thomas Palo, Mid Sweden University, and Clas Ahlm and Arne Tärnvik, Umeå University.
The investigation, which is being published in the journal Ecology and Society, demonstrates that the incidence of the disease in humans correlates more strongly with variations in climate than with variations in the hare population.
Rabbit fever is a disease caused by the bacterium Francisella tularensis, and it affects humans and animals at irregular intervals. It has long been thought that the disease gathers momentum among small mammals, such as hares, and is then transmitted to humans by mosquitoes or through contact with smitten animals.
Lars Aronsson | alfa
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