MacIntyre CR, Nguyen PY, Chughtai AA, Trent M, et al. Mask use, risk mitigation behaviours and pandemic fatigue during the COVID-19
pandemic in five cities in Australia, the UK and USA: a cross-sectional survey. Int J Infect Dis 2021 Mar 23. pii: S1201-9712(21)00274.
PMID: 33771668