Effectiveness of workplace social distancing measures in reducing influenza transmission: a systematic review

BMC Public Health

Table 6 Time to influenza peak, epidemiological and modeling studies, 2000–2017^a

First author, year published	Country	Influenza strain	Intervention^b	Days to peak
First author, year published	Country	Influenza strain	Intervention^b	R₀ ≤ 1.9	R₀ = 2.0–2.4	R₀ ≥ 2.5
Lee, 2010 [29]	Singapore	2009 influenza A(H1N1) pandemic	Multiple	Peak later (unspecified) with intervention	–	–
Zhang, 2012 [31]	Singapore	Not reported	Single	Peak 1 day later with intervention	–	–
Mao, 2011 [32]	USA	Seasonal scenario (R₀ = 1.4) and a pandemic scenario (R₀ = 2.0)	Single	Peak 89 days later with intervention	Peak 18 days later with intervention	–
Xia, 2013 [33]	China	2009 influenza A(H1N1) pandemic	Single	Peak 6 days later with intervention	–	–
Milne, 2013 [35]	Papua New Guinea	Pandemic strain	Multiple	Peak 13 days later with intervention	–	–

Abbreviations: R₀ basic reproduction number
^aFor the modeling studies (Zhang [31], Mao [32], Xia [33], Milne [35]), time to influenza peak is reported for the general population
^bSingle: Workplace social distancing; Multiple: Workplace social distancing and other nonpharmaceutical interventions