Observational analysis shows rising culture rates of Purpureocillium lilacinum in the US, suggesting improved diagnostic tools are needed.
Purpureocillium lilacinum, a common environmental mold and bionematicide, can cause human infections. At a major US commercial laboratory during March 2019-February 2025, P. lilacinum culture rates increased; rates were highest in the South Atlantic and Pacific states. Nonculture-based diagnostic tools such as microscopy may help identify and confirm clinical infection earlier.
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Smith et al. (2025) studied this question.
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