1998-99 Laboratory Data
Summary for All Regions

Year/Week (yyww)	Number of Labs Reporting	Total Specimens Tested	A(H1N1)	A(H3N2)	A(unk)	B	Total Isolates	Percent Positive
9840	114	1421	0	2	0	0	2	0.14
9841	114	1483	0	4	1	0	5	0.34
9842	113	1668	1	0	2	0	3	0.18
9843	114	1836	0	1	1	5	7	0.38
9844	118	2084	0	11	6	0	17	0.82
9845	120	2242	0	6	5	4	15	0.67
9846	117	2125	0	4	1	4	9	0.42
9847	114	1828	0	6	4	8	18	0.98
9848	124	2447	0	11	5	10	26	1.06
9849	119	2473	0	9	15	21	45	1.82
9850	121	2450	1	12	15	14	42	1.71
9851	119	2238	0	21	35	27	83	3.71
9852	122	2736	1	46	85	31	163	5.96
9901	131	3585	0	71	184	91	346	9.65
9902	132	3975	1	153	315	122	591	14.87
9903	123	4313	1	193	520	154	868	20.13
9904	132	5437	1	224	685	274	1184	21.78
9905	130	6230	1	351	935	411	1698	27.26
9906	126	6696	2	317	1147	418	1884	28.14
9907	128	6788	9	261	1076	381	1727	25.44
9908	129	6670	1	253	1053	371	1678	25.16
9909	129	6041	1	194	876	343	1414	23.41
9910	126	4425	2	151	537	218	908	20.52
9911	127	4161	5	112	360	189	666	16.01
9912	117	3360	1	80	269	129	479	14.26
9913	112	2829	0	47	127	64	238	8.41
9914	110	2352	1	28	112	40	181	7.70
9915	107	1863	1	15	70	22	108	5.80
9916	104	1624	0	13	17	8	38	2.34
9917	98	1359	0	6	22	3	31	2.28
9918	92	1305	0	4	13	4	21	1.61
9919	90	1091	0	1	6	3	10	0.92
9920	80	970	0	0	6	1	7	0.72
Totals	3852	102105	30	2607	8505	3370	14512	14.21