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PPE Use in Healthcare Settings II: Doffing01:10

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The sequence of removing or doffing PPE starts with the gloves, as they are the most contaminated. Next is removal of the face shield or goggles, as they would interfere with removing other PPE. Then remove the gown, followed by the mask or respirator. Perform hand hygiene between steps if hands become contaminated and immediately after removing all PPE. Generally, the outside front and sleeves of the isolation gown, the goggles or the mask, the respirator, and the face shield are contaminated.
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Tracking Smell Loss to Identify Healthcare Workers with SARS-CoV-2 Infection.

Julian J Weiss1,2, Tuki N Attuquayefio3, Elizabeth B White4

  • 1Department of Medicine, Section of Infectious Diseases, Yale School of Medicine, New Haven, CT.

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Summary

Smell loss can predict COVID-19 infection in healthcare workers (HCW). Many infected HCW reported smell changes before testing positive, indicating its potential as an early indicator for asymptomatic SARS-CoV-2 detection.

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Area of Science:

  • Infectious Diseases
  • Neurology
  • Occupational Health

Background:

  • Healthcare workers (HCW) face high SARS-CoV-2 infection risk.
  • Smell loss is a known COVID-19 symptom, but its predictive value in asymptomatic HCW is unclear.

Approach:

  • Prospective cohort study of 473 HCW over three months.
  • Utilized at-home smell assessments, symptom surveys, and RT-qPCR testing.
  • Included a parosmia screening questionnaire for detailed smell function evaluation.

Key Points:

  • SARS-CoV-2 identified in 3.6% of HCW.
  • Smell loss reported by 53% of infected HCW, significantly more than in COVID-negative HCW.
  • Smell loss preceded positive tests by a median of two days and was linked to neurological symptoms.

Conclusions:

  • Self-reported smell changes predict COVID-19 infection in HCW.
  • Smell loss is a potential early warning sign for asymptomatic SARS-CoV-2.
  • Smell dysfunction is associated with neurological symptoms in infected HCW.