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Table 3 The data for Δ, Σ1, Σ2, \( {\overline{P}}_1 \), \( {\overline{P}}_2 \) and \( \overline{y} \) from annual report data in the village of Liaonan, Xingzi County, Jiangxi Province, China

From: The basic reproductive ratio of Barbour’s two-host schistosomiasis model with seasonal fluctuations

Parameter 2003 2004 2005 2006 2007 2008 2009 2010
Δ 27.997 33.9230 91.4602 133.5238 41.0615 17.4960 11.3121 2.4183
Σ1 0.0300 0.0199 0.0475 0.0167 0.0309 0.0178 0.0309 0.0176
Σ2 0.0013 0.0007 0.0020 0.0006 0.0010 0.0006 0.0013 0.0008
\( {\overline{P}}_1 \) 0.0671 0.0533 0.0631 0.0454 0.0454 0.0454 0.04530 0.0457
\( {\overline{P}}_2 \) 0.0283 0.1379 0.1756 0.1144 0.1084 0.0676 0.0639 0.0466
\( \overline{y} \) 0.0002 0.00005 0.0001 0.0001 0.0002 0.0005 0.0008 0.0015