This study will test the effectiveness of face masks and hand cleaning in preventing the spread of influenza within households
Randomised controlled trial of surgical masks and alcohol hand wash among approximately 6069 Hong Kong residents who have a household member diagnosed with influenza. Influenza in index member and secondary infection will be documented with rapid influenza tests and PCR. Minimal risk to participants.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
PREVENTION
Masking
NONE
Enrollment
6,069
alcohol-based hand wash
Proper nutrition, etc.
face masks
University of Hong Kong
Hong Kong, Hong Kong, China
secondary influenza infection
Time frame: 7 days
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