Shifts in disease dynamics in a tropical amphibian assemblage are not due to pathogen attenuation

0301 basic medicine 03 medical and health sciences Chytridiomycota Panama Host-Pathogen Interactions Animals Anura Communicable Diseases Models, Biological Animal Diseases Disease Outbreaks
DOI: 10.1126/science.aao4806 Publication Date: 2018-03-29T18:11:09Z
ABSTRACT
Resistance is not futile The fungal disease chytridiomycosis has wreaked havoc on amphibians worldwide. The disease is caused by the organism Batrachochytrium dendrobatidis and was first identified in the late 1990s. Voyles et al. revisited protected areas in Panama where catastrophic amphibian losses were recorded a decade ago (see the Perspective by Collins). Although disease theory predicts that epidemics should result in reduced pathogenicity, they found no evidence for such a reduction. Despite this, the amphibian community is displaying signs of recovery—including some species presumed extinct after the outbreak. Increased host resistance may be responsible for this recovery. Science , this issue p. 1517 ; see also p. 1458
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