First author, year published
|
Country
|
Influenza strain
|
Interventiona
|
Percentage reductionb
|
---|
R0 ≤ 1.9
|
R0 = 2.0–2.4
|
R0 ≥ 2.5
|
---|
Zhang, 2012 [31]
|
Singapore
|
Not reported
|
Single
|
28
|
–
|
–
|
Mao, 2011 [32]
|
USA
|
Seasonal scenario (R0 = 1.4) and a pandemic scenario (R0 = 2.0)
|
Single
|
97
|
53
|
–
|
Xia, 2013 [33]
|
China
|
2009 Influenza A(H1N1) pandemic
|
Single
|
51
|
–
|
–
|
Single + VAC
|
91
|
–
|
–
|
Milne, 2008 [34]
|
Australia
|
Pandemic strain
|
Single
|
39
|
25
|
18
|
Multiple
|
97
|
99
|
99
|
Milne, 2013 [35]
|
Papua New Guinea
|
Pandemic strain
|
Multiple
|
91
|
–
|
–
|
- Abbreviations: R
0
basic reproduction number, VAC vaccination
- aSingle: Workplace social distancing; Multiple: Workplace social distancing and other nonpharmaceutical interventions; VAC: Vaccination
- bPercentage reduction = ((Attack rate in the absence of intervention – Attack rate with intervention) / Attack rate in the absence of intervention) × 100