INFLUENZA VIRUSES ISOLATED BY
WHO/NREVSS Collaborating Laboratories
2004 - 2005 Season

Week	A(H1N1) & A(H1N2)	A(H3N2)	A(Unk)	B	Total # Tested	% Positive
40	0	24	3	4	1529	2.0
41	0	8	1	1	1714	0.6
42	0	11	11	7	1967	1.5
43	0	12	12	5	1972	1.5
44	0	5	9	4	1830	1.0
45	0	4	7	6	1769	1.0
46	0	9	18	9	1118	3.2