Study Reveals Over 600 Viruses on Toothbrushes and Showerheads

The diverse viral communities found in bathrooms may hold potential for combating antibiotic-resistant bacteria.

Researchers from Northwestern University discovered more than 600 different viruses on toothbrushes and showerheads, with no two samples being alike.
These viruses are bacteriophages, which infect bacteria and are not harmful to humans, potentially offering new ways to address antibiotic-resistant infections.
The study highlights the untapped biodiversity in everyday environments, suggesting that each toothbrush and showerhead hosts unique viral communities.
A notable finding was the prevalence of mycobacteriophages, which could be used to target bacteria responsible for diseases like tuberculosis and leprosy.
Experts advise against excessive use of disinfectants, as most microbes are harmless and overuse can lead to resistance; simple cleaning methods are recommended.