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Table 1 Summary of IPC interventions based on a three-level hierarchy of controls

From: Reducing the risk of tuberculosis transmission for HCWs in high incidence settings

Administrative controls

Environmental controls

Personal respiratory protection

Triage and isolation of people (with presumed or confirmed TB infection)

Ventilation systems

 Natural

 Mechanical

 Mixed-mode

 Recirculated air through HEPA filters

Particulate respirators

(N95 or FFP2)

Prompt initiation of effective treatment

Respiratory hygiene (including cough etiquette)

GUV systems

 Germicidal lamps

 Upper-room GUV

Respirator fit testing

Management of HCWs (including education and training)

  1. The recommendations listed above were summarised from the WHO 2019 guidelines on TB IPC [3]. HCWs, healthcare workers; HEPA, high-efficiency particulate air (filters); GUV, germicidal ultraviolet