Cold-water washing won’t kill fungal infections

The researchers took samples from 81 socks worn by patients with tinea pedis, caused by the fungus Trichophyton rubrum, and washed them at 40°C and 60°C. 

Taking fungal samples from the heel and toe of the washed socks, they found that 36% of the socks washed at 40°C had positive fungal cultures; 70% of these were caused by Aspergillus.

This compared to only 6% of socks washed at 60°C being positive for fungal cultures and all were caused by Aspergillus.

Trichophyton rubrum was found in four of the socks washed

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