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Table 1 Tembusu virus (TMUV) seroprevalence in domestic ducks in Northern China, 2009–2015

From: Development and application of a monoclonal antibody-based blocking ELISA for detection of antibodies to Tembusu virus in multiple poultry species

Sampling date Sampling site Species No. sera b-ELISA positive Positive rate
2009 Hebei laying duck 120 0 0%
2009 Beijing laying duck 80 0 0%
2011.03 Hebei layingducka 289 289 100%
2011.03 Beijing breeding ducka 80 80 100%
2011.03 Shandong breeding ducka 60 60 100%
2012. 11 Beijing laying duckb 152 18 11.84%
2012. 12 Beijing laying duckb 96 9 9.38%
2013. 01 Beijing laying duckb 122 12 9.83%
2013.03 Beijing table ducklingb 90 0 0%
2013. 04 Beijing table ducklingb 176 0 0%
2013.06 Beijing laying duckb 180 6 3.33%
2013.08 Beijing laying duckb 190 25 13.16%
2013.12 Beijing table ducklingb 106 4 3.77%
2015.05 Beijing table ducklingb 50 0 0%
2015.09 Hebei breeding duckb 80 0 0%
2015.12 Hebei breeding duckc 241 79 32.78%
2015.12 Beijing breeding duckc 237 226 95.36%
  1. aThe sera were from the animals suffered from DTMUV infection in December 2010
  2. bThe sera were from the animals with no history of DTMUV infection and immunization
  3. cThe sera were from the animals immunized with autogenous vaccine of DTMUV within one year