A recent study has revealed that your Apple Watch or Fitbit wristband may be harboring harmful bacteria that can lead to fever, diarrhea, and a weakened immune system. The study found that E. coli and Staphylococcus spp, which can cause pneumonia, were present on a variety of wristband materials including plastic, rubber, cloth, leather, and metal. The researchers discovered that gym-goers had the highest levels of bacteria associated with staph infections, highlighting the importance of sanitizing wristbands after working out. Interestingly, gold and silver wristbands were found to be the most hygienic.
The study’s senior author, biological sciences professor Nwadiuto Esiobu, emphasized the need for regular sanitation of wristband surfaces due to the quantity and types of bacteria found. Esiobu particularly singled out physically active healthcare workers who may be at risk of infecting vulnerable patients. The prevalence of bacteria on wristbands was not surprising, with Staphylococcus spp being found on 85% of the samples. However, the presence of Pseudomonas spp on 30% of the samples raised concerns for public health. Additionally, E. coli, a bacteria commonly transmitted through fecal-oral routes, was found on 60% of the wristbands.
The study revealed that nearly all of the wristbands sampled were contaminated with bacteria, with the most common being Staphylococcus and Pseudomonas. The highest levels of contamination were found on rubber and plastic bands. In contrast, metallic gold and silver wristbands had minimal contamination. The authors noted that cloth wristbands had the highest bacterial load, followed by plastic, rubber, leather, and metal.
To combat the bacteria, the researchers recommended disinfectant methods such as Lysol Disinfectant Spray and 70% ethanol, which were highly effective in killing bacteria within 30 seconds. Apple cider vinegar was also effective, albeit taking about two minutes. Interestingly, there were no significant differences between men and women in terms of bacterial contamination on their wristbands. The texture of the material and the person’s activity or recent hygiene were found to be the most significant factors in determining bacterial levels.
Overall, the study suggests that regular sanitation of wristbands is crucial, especially for healthcare workers and individuals in hospital environments. The researchers also believe that other commonly used personal wearables, such as earbuds and cell phones, should be studied for their potential to transmit infectious bacteria.
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