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Writer's pictureSophia Evans

Study: Your toothbrush is infested with pathogens


Over 600 viruses have been identified by researchers through the examination of the toothbrushes and showerheads of ordinary individuals. Although it may appear repulsive, this could potentially be the solution to a significant health concern.


A red toothbrush in a cup with blue background
Illustrator photo

The moist environment of showerheads and toothbrushes is home to a variety of organisms, among other things. A substantial number of toothbrushes and showerheads that belonged to ordinary Americans have been examined by researchers from the United States. They identified over 600 distinct viruses. It has been discovered that certain viruses may be beneficial in addressing a substantial health concern.


Researchers from Northwestern University stated in a press release that there is no need to be concerned about the viruses on our toothbrushes, as they may be able to assist in the treatment of infections in the future. Numerous pathogens that were previously unknown were identified. The researchers collected and analyzed viruses from 96 showerheads and 34 toothbrushes in regular restrooms.


They were specifically searching for bacteriophages, a type of virus that infects bacteria.

The researchers identified over 600 distinct viruses by analyzing the DNA samples. In the press release, Erica Hartmann, one of the scientists involved in the study, stated, "The quantity of viruses we discovered is truly extraordinary."


Numerous of these viruses had never been observed before.Nevertheless, the identification of an abundance of distinct virus types is not only captivating, but it could also be a boon in the battle against microbes that have developed resistance to existing treatments.Has the potential to alleviate diseases in the future. The researchers stated in the press release that restrooms may contain viruses that were previously unknown, although there is still much they do not know.


They are optimistic that viruses that target bacteria could be of assistance in the battle against antibiotic-resistant bacteria, which are responsible for more than one million fatalities each year.


The analyses of the showerheads and toothbrushes also provide hope for the treatment of other diseases. The samples demonstrated that a bacteriophage that was capable of infecting bacteria responsible for chronic pulmonary infections and tuberculosis was particularly dominant. The researchers aspire to utilize these viruses to treat infections and other maladies in this manner, as stated in their report.


Frontiers in Microbiomes is the scientific journal in which the study was published.

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