title: Cluster randomised controlled trial: Hand hygiene and face mask use within 36 hours of index patient symptom onset reduces flu transmission to household contacts.
authors.affiliation: School of Public Health and Community Medicine, University of New South Wales, Sydney, NSW 2052, Australia. r.macintyre@unsw.edu.au
authors.forename: C Raina
authors.initials: CR
authors.lastname: Macintyre