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Table 2 Geographical distribution of the number of imported dengue cases identified by active and passive surveillance and the number of domestic dengue cases in Taiwan, 2007–2010

From: Airport sentinel surveillance and entry quarantine for dengue infections following a fever screening program in Taiwan

   Imported dengue cases Domestic dengue cases
   Active surveillance1 Passive surveillance2     
   Dengue positive Dengue positive     
3 Region City/ County 2007 2008 2009 2010 2007 2008 2009 2010 2007 2008 2009 2010
Northern Taipei City 12 18 17 22 17 28 13 36 0 20 0 2
Northern Taipei County 14 22 12 23 13 27 4 36 0 12 1 15
Northern Yilan County 1 1 0 2 1 0 18 1 0 0 0 0
Northern Keelung City 1 2 2 1 2 2 2 2 0 1 0 0
Northern Kinmen County 0 0 1 0 0 0 11 1 0 0 0 0
Northern Lienchiang County 0 0 0 0 0 0 4 0 0 0 0 0
Northern Taoyuan County 7 18 23 23 5 11 4 15 0 2 1 1
Northern Hsinchu County 2 4 3 3 0 5 6 5 0 0 0 1
Northern Hsinchu City 1 2 2 0 0 0 0 2 0 0 0 0
Northern Miaoli County 2 1 1 4 1 3 7 3 0 0 0 0
Central Taichung County 5 6 6 16 10 12 2 19 0 1 0 0
Central Taichung City 0 1 7   5 3 8   2 0 0 0
Central Nantou County 2 1 3 3 2 2 0 2 0 0 10 0
Central Changhua County 2 3 6 6 2 3 0 3 0 0 0 0
Central Yunlin County 0 3 2 1 3 1 1 4 2 0 0 0
Southern Chiayi County 1 0 2 4 7 0 0 4 0 0 0 1
Southern Chiayi City 0 2 0 1 0 0 1 3 0 0 0 0
Southern Tainan County * 3 5 3 9 9 4 2 9 1459 23 8 380
Southern Tainan City * 10 4 2   11 2 0   345 4 2 107
Southern Kaohsiung County* 4 1 4 8 5 3 2 23 40 98 125 83
Southern Kaohsiung City * 5 3 9   7 12 0   141 326 623 984
Southern Pingtung County* 0 3 4 1 6 6 5 6 1 1 76 10
Southern Penghu County 0 0 0 0 0 0 0 0 0 0 0 0
Eastern Hualien County 0 1 1 1 1 1 1 1 0 0 0 0
Eastern Taitung County 0 0 0 1 0 0 4 0 0 0 1 0
  Total 72 101 110 129 107 125 95 175 1,990 488 847 1,584
  1. 1. Active surveillance: imported dengue cases detected in border screening.
  2. 2. Passive surveillance: imported dengue cases detected in the community.
  3. 3. *Dengue hotspot; Merging of the city and county jurisdictions in Taichung, Tainan and Kaohsiung since 2010.