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Table 1 Ministry of Health Malaysia category of risk exposure of COVID-19 for HCW

From: Impact of a binary triage system and structural reorganization of emergency department on health care workers exposed to suspected COVID-19 patients—a single-centre analysis

Category of risk exposure


High-risk exposures

• HCW who performed or were present in the room for procedures that generate aerosols or during which respiratory secretions are likely to be poorly controlled* on patients with COVID-19 AND

• When the healthcare providers’ eyes, nose, or mouth were not protected.

Medium-risk exposures

• HCW who had prolonged close contact with a confirmed COVID-19 case, AND

• where HCW mucous membranes or hands were exposed to potentially infectious materials for COVID-19

Low-risk exposures

• Any inconsistencies in adherence to PPE while in close contact with a confirmed COVID-19 case

No identifiable risk

• HCW without direct close contact with a confirmed COVID-19 case

• No entry into active patient’s area

• HCW who adhere to recommended PPE

  1. Source: Ministry of Health, Malaysia. 2020