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

Parasites & Vectors

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

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

ISSN: 1756-3305