RT Journal Article SR Electronic(1) A1 Nicoll, A YR 2006 T1 Personal (non-pharmaceutical) protective measures for reducing transmission of influenza – ECDC interim recommendations JF Weekly releases (1997–2007) VO 11 IS 41 SP 3061 OP DO https://doi.org/10.2807/esw.11.41.03061-en UL https://www.eurosurveillance.org/content/10.2807/esw.11.41.03061-en