U.S. WHO/NREVSS Collaborating Laboratories National Summary, 2004-05 through 2007-08

CDC Week (YYYYWW) B A(Unsubtyped) A (H1) A (H3) Percent Positive
200440 4 3 0 3 0.6
200441 0 2 0 7 0.4
200442 9 7 0 2 0.8
200443 5 12 0 2 0.8
200444 15 9 0 9 1.3
200445 23 10 0 5 1.3
200446 17 27 0 17 2
200447 17 21 0 5 1.4
200448 24 36 0 30 2.5
200449 21 63 0 42 3.5
200450 29 108 0 44 4.5
200451 41 255 1 72 8.8
200452 78 472 1 136 12.8
200501 129 675 0 166 15.3
200502 135 580 2 140 14
200503 172 844 0 152 18.3
200504 256 974 1 256 20.3
200505 351 1096 1 412 23.7
200506 405 1354 0 393 24.4
200507 524 1335 1 409 23.3
200508 539 1109 0 300 21.5
200509 432 936 1 128 18.5
200510 386 627 0 112 15.4
200511 388 476 0 86 15.2
200512 386 295 0 64 13.1
200513 306 164 3 39 10.2
200514 187 94 0 36 8.3
200515 117 37 0 10 5
200516 69 26 1 20 4
200517 39 15 0 12 2.6
200518 33 8 0 10 2.3
200519 16 5 0 12 1.6
200520 12 3 0 19 1.8
200521 13 1 0 4 1
200522 14 2 0 5 1.3
200523 8 0 0 4 0.8
200524 9 2 0 3 0.9
200525 5 1 0 4 0.8
200526 1 6 0 0 0.6
200527 3 0 0 1 0.4
200528 1 0 0 0 0.1
200529 2 1 0 0 0.3
200530 1 0 0 1 0.2
200531 0 0 0 0 0
200532 0 0 0 0 0
200533 0 1 1 0 0.2
200534 0 0 0 2 0.2
200535 1 3 0 0 0.4
200536 0 0 0 1 0.1
200537 1 0 0 4 0.5
200538 0 0 0 2 0.2
200539 1 4 0 2 0.5
200540 1 4 0 6 0.6
200541 1 4 0 6 0.5
200542 5 6 0 12 1
200543 2 5 0 6 0.5
200544 3 4 0 13 0.7
200545 6 13 1 21 1.3
200546 4 16 2 18 1.2
200547 3 17 0 19 1.5
200548 2 36 1 57 2.9
200549 8 69 1 126 5.4
200550 5 106 0 270 8.6
200551 9 328 1 297 12.4
200552 18 343 2 335 13
200601 22 361 1 259 10.8
200602 15 353 4 297 11.4
200603 17 375 4 286 12.1
200604 25 468 4 307 13.7
200605 52 508 5 314 14.2
200606 99 578 9 321 15.8
200607 104 730 17 372 17.5
200608 134 812 16 363 18.7
200609 268 781 28 433 21.7
200610 332 784 53 408 22.7
200611 354 551 37 275 19.6
200612 402 456 78 179 18.9
200613 411 301 62 133 18
200614 305 180 38 53 14
200615 229 128 23 51 11.5
200616 214 67 24 30 10.4
200617 128 43 10 2 8
200618 118 49 7 7 8.7
200619 106 45 12 0 7.8
200620 87 41 6 1 5.63
200621 93 28 9 0 6.32
200622 50 19 9 0 4.69
200623 38 8 9 0 3.81
200624 11 11 3 0 1.97
200625 10 2 2 0 1.19
200626 6 2 3 1 1.18
200627 2 4 2 0 0.88
200628 0 6 0 1 0.77
200629 2 9 0 0 1.2
200630 2 8 6 1 1.97
200631 1 16 3 0 2.12
200632 2 9 1 0 1.33
200633 2 7 3 0 1.39
200634 3 9 3 0 1.67
200635 4 8 5 0 1.87
200636 0 8 5 0 1.48
200637 1 17 13 0 2.91
200638 2 11 22 0 3.51
200639 3 13 13 0 2.99
200640 15 26 13 2 2.43
200641 9 37 20 1 2.68
200642 22 37 17 4 2.76
200643 23 46 13 2 2.59
200644 42 75 25 1 3.8
200645 43 93 18 1 3.64
200646 32 74 25 2 2.94
200647 28 110 21 2 3.55
200648 54 111 43 1 3.7
200649 62 145 55 2 4.55
200650 120 306 106 9 8.09
200651 133 392 194 10 10.29
200652 123 366 201 14 10.39
200701 86 240 128 14 6.97
200702 86 293 180 35 9.24
200703 80 420 174 44 11.58
200704 154 760 310 86 18.19
200705 203 1172 367 107 22.38
200706 411 1491 497 133 28.18
200707 416 1544 430 133 25.8
200708 526 1388 297 156 23.8
200709 550 1006 201 192 22.57
200710 470 751 169 199 20.25
200711 430 569 147 207 19.53
200712 369 491 65 165 16.87
200713 211 322 59 173 13.76
200714 156 228 33 101 11.03
200715 140 158 31 186 12.14
200716 81 138 28 125 9.67
200717 68 86 21 119 9.75
200718 56 51 14 81 6.75
200719 38 43 7 38 4.98
200720 27 39 3 23 3.93
200721 14 34 4 32 4.32
200722 9 12 2 7 1.77
200723 4 10 1 5 1.2
200724 7 13 0 6 1.7
200725 2 2 3 1 0.62
200726 4 10 0 1 1.17
200727 5 8 2 3 1.61
200728 2 9 4 8 1.92
200729 1 8 4 3 1.39
200730 2 14 14 7 3.18
200731 2 14 2 6 1.97
200732 4 14 11 5 2.94
200733 0 10 7 2 1.7
200734 1 21 1 0 1.97
200735 7 13 10 0 2.49
200736 0 14 10 0 2.2
200737 7 8 14 1 2.44
200738 3 15 11 1 3.14
200739 0 16 3 1 1.9
200740 5 20 11 2 1.66
200741 1 22 11 3 1.47
200742 2 28 11 2 1.48
200743 6 27 9 2 1.44
200744 11 53 8 0 2.06
200745 11 47 13 10 2.16
200746 2 55 22 4 2.05
200747 12 90 32 2 3.39
200748 12 50 42 12 2.52
200749 22 112 32 10 3.67
200750 27 115 49 19 4.12
200751 50 161 67 27 5.29
200752 84 260 68 20 7.01
200801 104 322 76 51 8.23
200802 159 541 162 130 13.58
200803 204 712 198 181 17.02
200804 328 1193 202 333 22.56
200805 629 2244 241 588 28.49
200806 856 2701 247 771 31.59
200807 1024 2547 189 725 31.41
200808 1286 2570 169 875 29.89
200809 1364 2068 113 745 27.37
200810 1330 1483 61 568 23.26
200811 1060 914 64 411 21.6
200812 880 609 45 341 20.02
200813 753 416 11 131 17.41
200814 494 266 12 77 14.34
200815 391 149 5 42 11.67
200816 219 86 0 22 8.29
200817 117 45 4 5 5.03
200818 71 37 1 2 4.38
200819 32 16 0 1 2.15
200820 18 14 0 3 1.62