Scan Year

Cluster Time Frame

Center (Latitude, Longitude)/Radius (km)

Cluster Districts

Relative Risk

P-Value

2005

01 - 31 Jan

116.5787 E, 40.628 N/36.25 km

2

0.23

<0.001

2006

01 - 31 Jan

40.6281 N, 116.578 E)/36.25 km

2

2.29

<0.001

2007

01 - 31 Jan

40.524 N, 116.986 E/0 km

1

0.16

<0.001

2008

01 Nov - 31 Dec

39.911 N, 116.410 E/0 km

1

2.03

<0.001

2009

01 - 31 Jan

40.6281 N, 116.578 E/37.05 km

3

0.30

<0.001

2010

01 - 31 Jan

40.524 N, 116.986 E/37.73 km

3

0.20

<0.001

2011

01 - 31 Jan

40.214 N, 116.204 E/21.03 km

2

2.89

<0.001

2012

01 - 31 Jan

40.214 N, 116.204 E/21.03 km

2

2.84

<0.001

2013

01 - 31 Jan

40.214 N, 116.204 E/21.03 km

2

0.29

<0.001

2014

01 - 31 Jan

40.214 N, 116.204 E/21.03 km

2

3.47

<0.001