Avian influenza surveillance reveals presence of low pathogenic avian influenza viruses in poultry during 2009-2011 in the West Bengal State, India

Table 1 Samples collected and isolation of avian influenza (AI) and Newcastle Disease Virus (NDV)

Sr. No.	Locations	No. of samples	No. of isolates (%)
Sr. No.	Locations	No. of samples	AI	NDV
	Wild/migratory bird samples
1	Ten districts*	3522	0	0
	Samples from poultry
1	Murshidabad District	299	15 (5%)	0
2	Nadia District	101	0	0
3	Naxabadi (Darjeeling District)	172	0	0
3	Siliguri (Darjeeling District)	152	56 (37%)	2 (1.3%)
4	Jalpaiguri District	152	0	3 (2%)
5	Hooghly District	221	0	6 (3%)
6	Kolkata (24 Paraganas)	81	1 (1.2%)	1 (1.2%)
7	Birbhum District	297	0	3 (1.0%)
8	Burdhman District	129	0	0
	Total	5126	72 (1.4%)	15 (0.3%)

* Murshidabad, Malda, Uttar Dinajpur, Dakshin Dinajpur, Birbhum, Nadia, Bardwan, Kolkata, North 24 Paraganas, South 24 Paraganas.

ISSN: 1743-422X