[HenryN]

Here is the (revised) unlying data (see line for week 17)

INFLUENZA VIRUSES ISOLATED BY
WHO/NREVSS Collaborating Laboratories
2008 - 2009 Season

Week	A(H1)	A(Novel H1N1)	A(H3)	A(Could Not Subtyped)	A(Unk)	B	Total # Tested	% Positive
40	3	0	0	0	8	6	2574	0.66
41	4	0	4	0	8	6	2593	0.85
42	13	0	3	0	15	6	2698	1.37
43	22	0	0	0	24	14	3155	1.9
44	12	0	3	0	21	5	3262	1.26
45	32	0	2	0	23	11	3858	1.76
46	25	0	2	0	23	12	4089	1.52
47	27	0	1	0	31	23	4461	1.84
48	40	0	1	0	47	24	4570	2.45
49	43	0	6	0	57	14	5253	2.28
50	71	0	9	0	66	37	5664	3.23
51	73	0	19	0	108	56	5956	4.3
52	71	0	12	0	153	51	5731	5.01
53	115	0	19	0	171	48	6211	5.68
01	165	0	27	0	285	82	6598	8.47
02	196	0	22	0	423	96	6640	11.1
03	340	0	44	0	623	186	7486	15.94
04	558	0	77	0	898	359	8896	21.27
05	674	0	52	0	1359	672	11346	24.3
06	814	0	63	0	1337	911	12372	25.26
07	817	0	65	1	1068	894	11378	25
08	669	0	59	1	1002	1097	11598	24.38
09	527	0	57	0	882	1086	10342	24.68
10	353	0	63	0	638	1002	9106	22.58
11	346	0	62	0	429	873	8160	20.96
12	257	0	41	0	281	597	6707	17.53
13	107	1	25	0	163	430	5115	14.19
14	87	0	31	1	122	246	4357	11.18
15	37	0	28	0	70	158	3810	7.69
16	39	8	31	5	76	86	3164	7.74
17	370	524	343	259	269	338	14928	14.09