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Background: Personal protective equipment (PPE) use is required when caring for COVID-19 patients. Proper mask fitting is essential in prevention of infectious agent transmission at hospital setting.Methods and Results: We describe three cases of health care professionals (HCP) in a COVID-19 designated ward with positive SARS-CoV-2 RT-PCR results, and were found to have improperly fitted masks.Conclusion: These cases of improperly fitting masks in HCP may have contributed to their eventual COVID-19 infection. These cases raise the important issue of PPE fitting.
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Ming et al. (2020) studied this question.
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