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Short-Term Use Biocontainment Bubbles: Innovative Source Containment of Potentially Infectious SARS-CoV-2 Aerosols.

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Simple biocontainment bubbles (STUBB-Ys) effectively protected Yale University community members from SARS-CoV-2 aerosols. These engineering controls provided essential infection prevention where existing measures were inadequate, enhancing worker safety during the pandemic.

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Area of Science:

  • Public Health
  • Occupational Safety
  • Biocontainment Engineering

Background:

  • Existing infection prevention measures were inadequate for controlling SARS-CoV-2 aerosols in various settings.
  • There was a need for simple, effective engineering controls to protect individuals from airborne pathogens.

Purpose of the Study:

  • To review the development and implementation of Short-Term Use Biocontainment Bubbles-Yale (STUBB-Ys).
  • To demonstrate a straightforward design process for enhancing worker protection through simple containment engineering controls.

Main Methods:

  • STUBB-Ys were designed, built, and tested in conjunction with end users and Environmental Health and Safety (EHS).
  • Containment effectiveness was verified using smoke visualization, particle counting (0.3–10 μm), and airflow rate measurements.

Main Results:

  • STUBB-Ys were successfully implemented in COVID-19 test centers, laboratories, and clinics.
  • These simple containment devices allowed students and faculty to safely continue research and clinical studies by confining aerosols.

Conclusions:

  • EHS successfully confined aerosols at the source using simple designs and equipment, adhering to the hierarchy of controls.
  • The STUBB-Y approach demonstrates an effective strategy for enhancing worker protection during a pandemic through straightforward engineering controls.