Contamination and washing of cloth masks and risk of infection among hospital health workers in Vietnam: a post hoc analysis of a randomised controlled trial

• Abrar Ahmad Chughtai,
• Chandini Raina MacIntyre,
• Bayzidur Rahman,
• Holly Seale,
• Tham Chi Dung

Affiliations

Abrar Ahmad Chughtai

School of Public Health and Community Medicine, UNSW Sydney, Kensington, New South Wales, Australia

Chandini Raina MacIntyre

2 University of New South Wales, Sydney, Australia

Bayzidur Rahman

School of Public Health and Community Medicine, University of New South Wales, Sydney, New South Wales, Australia

Holly Seale

Faculty of Medicine, School of Public Health and Community Medicine, University of New South Wales, Sydney, Australia

Tham Chi Dung

National Institute of Hygiene and Epidemiology, Hanoi, Vietnam