The effect of facial hair and sex on the dispersal of bacteria below a masked subject

@article{Mclure2000TheEO,
  title={The effect of facial hair and sex on the dispersal of bacteria below a masked subject},
  author={H. A. Mclure and Madhavi Mannam and C. A. Talboys and B S Azadian and Steve M. Yentis},
  journal={Anaesthesia},
  year={2000},
  volume={55}
}
Surgical face masks prevent the dispersal of bacteria from the upper airway to surfaces immediately in front of and below the face during talking. However, mask wiggling has been reported to increase dermabrasion and bacterial contamination of surfaces immediately below the face. Facial hair and recent shaving may alter the quantity of particles shed by dermabrasion when the mask is wiggled. We investigated the effect of mask wiggling in 10 bearded and 10 clean‐shaven male subjects, and 10… 
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