Prevalence of Dirofilaria immitis infection in dogs in Henan province, central China

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Table 1.

Prevalence of Dirofilaria immitis infection in dogs in China.

Localities	Year of sampling^A	No. tested	Positive (%)	Method^B	Reference
Taipei	1998–1999	664	89 (13.4)	ELISA	[6]
Taiwan	1993–1997	2065	803 (38.9)	Necropsy and microscopic examination	[22]
Heilongjiang	1996–2004	178	2 (1.1)	Necropsy	[21]
Changchun	<2007	62	32 (51.6)	ELISA and microscopic examination	[8]
Guizhou	<2010	300	15 (5.0)	Immunochromatographic strip	[7]
Dandong	2003–2010	886	213 (24.0)	PCR and microscopic examination	[9]
Kunming	2010–2011	30	2 (6.7)	ELISA	[20]
Chongqing	2010–2011	30	3 (10.0)	ELISA	[20]
Nanchang	2010–2011	30	3 (10.0)	ELISA	[20]
Fuzhou	2010–2011	50	6 (12.0)	ELISA	[20]
Guangzhou	2010–2011	60	9 (15.0)	ELISA	[20]
Shenzhen	2010–2011	80	15 (18.8)	ELISA	[20]
Nanning	2010–2011	30	4 (13.3)	ELISA	[20]
Shenyang	2009–2012	528	67 (12.7)	ELISA	[13]

Years of sampling are listed as published in the references. In cases where this information was not available, the year listed here is the year when the study was published, as indicated by “<”.

ELISA: enzyme-linked immunosorbent assay; PCR: polymerase chain reaction.

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