Updated 01/12/07 West Nile Virus Activity in California Counties 2007 YTD Counties with West Nile virus activity (number of human infections) Counties with West Nile virus activity (no human cases) N = 0 counties with human infection Human infections 0 Horses 0 Dead birds 1 Mosquito pools 0 Sentinel chickens 0
Updated 01/26/07 West Nile Virus Activity in California Counties 2007 YTD Counties with West Nile virus activity (number of human infections) Counties with West Nile virus activity (no human cases) N = 0 counties with human infection Human infections 0 Horses 0 Dead birds 1 Mosquito pools 2 Sentinel chickens 1
Updated 02/16/07 West Nile Virus Activity in California Counties 2007 YTD Counties with West Nile virus activity (number of human infections) Counties with West Nile virus activity (no human cases) N = 0 counties with human infection Human infections 0 Horses 1 Dead birds 1 Mosquito pools 2 Sentinel chickens 2 Squirrels 0
Updated 03/09/07 West Nile Virus Activity in California Counties 2007 YTD Counties with West Nile virus activity (number of human infections) Counties with West Nile virus activity (no human cases) N = 0 counties with human infection Human infections 0 Horses 1 Dead birds 5 Mosquito pools 2 Sentinel chickens 2 Squirrels 0
Updated 03/23/07 West Nile Virus Activity in California Counties 2007 YTD Counties with West Nile virus activity (number of human infections) Counties with West Nile virus activity (no human cases) N = 0 counties with human infection Human infections 0 Horses 1 Dead birds 8 Mosquito pools 2 Sentinel chickens 2 Squirrels 0
Updated 03/30/07 West Nile Virus Activity in California Counties 2007 YTD Counties with West Nile virus activity (number of human infections) Counties with West Nile virus activity (no human cases) N = 0 counties with human infection Human infections 0 Horses 1 Dead birds 10 Mosquito pools 2 Sentinel chickens 2 Squirrels 0
Updated 04/06/07 West Nile Virus Activity in California Counties 2007 YTD Counties with West Nile virus activity (number of human infections) Counties with West Nile virus activity (no human cases) N = 0 counties with human infection Human infections 0 Horses 1 Dead birds 12 Mosquito pools 2 Sentinel chickens 2 Squirrels 0
Updated 04/13/07 West Nile Virus Activity in California Counties 2007 YTD Counties with West Nile virus activity (number of human infections) Counties with West Nile virus activity (no human cases) N = 0 counties with human infection Human infections 0 Horses 1 Dead birds 15 Mosquito pools 2 Sentinel chickens 2 Squirrels 0
Updated 04/20/07 West Nile Virus Activity in California Counties 2007 YTD Counties with West Nile virus activity (number of human infections) Counties with West Nile virus activity (no human cases) N = 0 counties with human infection Human infections 0 Horses 1 Dead birds 17 Mosquito pools 2 Sentinel chickens 2 Squirrels 0
Updated 05/03/07 West Nile Virus Activity in California Counties 2007 YTD Counties with West Nile virus activity (number of human infections) Counties with West Nile virus activity (no human cases) N = 0 counties with human infection Human infections 0 Horses 1 Dead birds 18 Mosquito pools 2 Sentinel chickens 2 Squirrels 0
Updated 05/11/07 West Nile Virus Activity in California Counties 2007 YTD Counties with West Nile virus activity (number of human infections) Counties with West Nile virus activity (no human cases) N = 0 counties with human infection Human infections 0 Horses 1 Dead birds 22 Mosquito pools 2 Sentinel chickens 2 Squirrels 0
Updated 05/18/07 West Nile Virus Activity in California Counties 2007 YTD Counties with West Nile virus activity (number of human infections) Counties with West Nile virus activity (no human cases) N = 0 counties with human infection Human infections 0 Horses 1 Dead birds 22 Mosquito pools 2 Sentinel chickens 2 Squirrels 0
Updated 05/29/07 West Nile Virus Activity in California Counties 2007 YTD Counties with West Nile virus activity (number of human infections) Counties with West Nile virus activity (no human cases) N = 0 counties with human infection Human infections 0 Horses 1 Dead birds 22 Mosquito pools 3 Sentinel chickens 2 Squirrels 0
Updated 05/31/07 West Nile Virus Activity in California Counties 2007 YTD Counties with West Nile virus activity (number of human infections) Counties with West Nile virus activity (no human cases) N = 0 counties with human infection Human infections 0 Horses 1 Dead birds 23 Mosquito pools 3 Sentinel chickens 2 Squirrels 0
Updated 06/1/07 West Nile Virus Activity in California Counties 2007 YTD Counties with West Nile virus activity (number of human infections) Counties with West Nile virus activity (no human cases) N = 0 counties with human infection Human infections 0 Horses 1 Dead birds 23 Mosquito pools 3 Sentinel chickens 2 Squirrels 0
Updated 06/6/07 West Nile Virus Activity in California Counties 2007 YTD Counties with West Nile virus activity (number of human infections) Counties with West Nile virus activity (no human cases) N = 0 counties with human infection Human infections 0 Horses 1 Dead birds 25 Mosquito pools 3 Sentinel chickens 2 Squirrels 0
Updated 06/8/07 West Nile Virus Activity in California Counties 2007 YTD Counties with West Nile virus activity (number of human infections) Counties with West Nile virus activity (no human cases) N = 0 counties with human infection Human infections 0 Horses 1 Dead birds 25 Mosquito pools 4 Sentinel chickens 2 Squirrels 0
Updated 06/13/07 West Nile Virus Activity in California Counties 2007 YTD Counties with West Nile virus activity (number of human infections) Counties with West Nile virus activity (no human cases) N = 0 counties with human infection Human cases 0 Horses 1 Dead birds 33 Mosquito pools 4 Sentinel chickens 2 Squirrels 0
Updated 06/15/07 West Nile Virus Activity in California Counties 2007 YTD Counties with West Nile virus activity (number of human infections) Counties with West Nile virus activity (no human cases) N = 0 counties with human infection Human cases 0 Horses 1 Dead birds 33 Mosquito pools 18 Sentinel chickens 2 Squirrels 0
Updated 06/21/07 West Nile Virus Activity in California Counties 2007 YTD Counties with West Nile virus activity (number of human infections) Counties with West Nile virus activity (no human cases) N = 1 county with human case Human cases 1 Horses 2 Dead birds 58 Mosquito pools 18 Sentinel chickens 2 Squirrels 0
Updated 06/22/07 West Nile Virus Activity in California Counties 2007 YTD Counties with West Nile virus activity (number of human infections) Counties with West Nile virus activity (no human cases) N = 1 county with human case Human cases 1 Horses 2 Dead birds 58 Mosquito pools 33 Sentinel chickens 2 Squirrels 0
Updated 06/28/07 West Nile Virus Activity in California Counties 2007 YTD Counties with West Nile virus activity (number of human infections) Counties with West Nile virus activity (no human cases) N = 1 county with human case Human cases 1 Horses 2 Dead birds 100 Mosquito pools 33 Sentinel chickens 2 Squirrels 0 1
Updated 06/28/07 West Nile Virus Activity in California Counties 2007 YTD Counties with West Nile virus activity (number of human infections) Counties with West Nile virus activity (no human cases) N = 1 county with human case Human cases 1 Horses 2 Dead birds 99 Mosquito pools 33 Sentinel chickens 2 Squirrels 0 1
Updated 06/29/07 West Nile Virus Activity in California Counties 2007 YTD Counties with West Nile virus activity (number of human infections) Counties with West Nile virus activity (no human cases) N = 1 county with human case Human cases 1 Horses 2 Dead birds 99 Mosquito pools 72 Sentinel chickens 4 Squirrels 0 1
Updated 07/05/07 West Nile Virus Activity in California Counties 2007 YTD Counties with West Nile virus activity (number of human infections) Counties with West Nile virus activity (no human cases) N = 1 county with human case Human cases 3 Horses 2 Dead birds 159 Mosquito pools 72 Sentinel chickens 4 Squirrels 1 3
Updated 07/06/07 West Nile Virus Activity in California Counties 2007 YTD Counties with West Nile virus activity (number of human infections) Counties with West Nile virus activity (no human cases) N = 1 county with human case Human cases 3 Horses 2 Dead birds 159 Mosquito pools 141 Sentinel chickens 6 Squirrels 1 3
Updated 07/12/07 West Nile Virus Activity in California Counties 2007 YTD Counties with West Nile virus activity (number of human cases) Counties with West Nile virus activity (no human cases) N = 1 county with human case Human cases 3 Horses 2 Dead birds 230 Mosquito pools 141 Sentinel chickens 6 Squirrels 3 3
Updated 07/13/07 West Nile Virus Activity in California Counties 2007 YTD Counties with West Nile virus activity (number of human cases) Counties with West Nile virus activity (no human cases) N = 1 county with human case Human cases 9 Horses 2 Dead birds 230 Mosquito pools 182 Sentinel chickens 13 Squirrels 3 8 1
Updated 07/18/07 West Nile Virus Activity in California Counties 2007 YTD Counties with West Nile virus activity (number of human cases) Counties with West Nile virus activity (no human cases) N = 4 counties with human cases Human cases 25 Horses 2 Dead birds 355 Mosquito pools 182 Sentinel chickens 13 Squirrels
Updated 07/23/07 West Nile Virus Activity in California Counties 2007 YTD Counties with West Nile virus activity (number of human cases) Counties with West Nile virus activity (no human cases) N = 6 counties with human cases Human cases 27 Horses 4 Dead birds 355 Mosquito pools 221 Sentinel chickens 21 Squirrels
Updated 07/24/07 West Nile Virus Activity in California Counties 2007 YTD Counties with West Nile virus activity (number of human cases) Counties with West Nile virus activity (no human cases) N = 8 counties with human cases Human cases 36 Horses 4 Dead birds 355 Mosquito pools 221 Sentinel chickens 21 Squirrels
Updated 07/25/07 West Nile Virus Activity in California Counties 2007 YTD Counties with West Nile virus activity (number of human cases) Counties with West Nile virus activity (no human cases) N = 8 counties with human cases Human cases 36 Horses 4 Dead birds 423 Mosquito pools 221 Sentinel chickens 21 Squirrels
Updated 07/27/07 West Nile Virus Activity in California Counties 2007 YTD Counties with West Nile virus activity (number of human cases) Counties with West Nile virus activity (no human cases) N = 12 counties with human cases Human cases 42 Horses 5 Dead birds 423 Mosquito pools 317 Sentinel chickens 30 Squirrels
Updated 07/31/07 West Nile Virus Activity in California Counties 2007 YTD Counties with West Nile virus activity (number of human cases) Counties with West Nile virus activity (no human cases) N = 12 counties with human cases Human cases 56 Horses 5 Dead birds 423 Mosquito pools 317 Sentinel chickens 30 Squirrels
Updated 08/1/07 West Nile Virus Activity in California Counties 2007 YTD Counties with West Nile virus activity (number of human cases) Counties with West Nile virus activity (no human cases) N = 13 counties with human cases Human cases 56 Horses 5 Dead birds 502 Mosquito pools 317 Sentinel chickens 29 Squirrels
Updated 08/3/07 West Nile Virus Activity in California Counties 2007 YTD Counties with West Nile virus activity (number of human cases) Counties with West Nile virus activity (no human cases) N = 15 counties with human cases Human cases 64 Horses 5 Dead birds 502 Mosquito pools 402 Sentinel chickens 66 Squirrels
Updated 08/7/07 West Nile Virus Activity in California Counties 2007 YTD Counties with West Nile virus activity (number of human cases) Counties with West Nile virus activity (no human cases) N = 15 counties with human cases Human cases 80 Horses 5 Dead birds 502 Mosquito pools 402 Sentinel chickens 66 Squirrels
Updated 08/8/07 West Nile Virus Activity in California Counties 2007 YTD Counties with West Nile virus activity (number of human cases) Counties with West Nile virus activity (no human cases) N = 15 counties with human cases Human cases 80 Horses 5 Dead birds 552 Mosquito pools 402 Sentinel chickens 66 Squirrels
Updated 08/10/07 West Nile Virus Activity in California Counties 2007 YTD Counties with West Nile virus activity (number of human cases) Counties with West Nile virus activity (no human cases) N = 18 counties with human cases Human cases 86 Horses 9 Dead birds 552 Mosquito pools 524 Sentinel chickens 106 Squirrels
Updated 08/14/07 West Nile Virus Activity in California Counties 2007 YTD Counties with West Nile virus activity (number of human cases) Counties with West Nile virus activity (no human cases) N = 19 counties with human cases Human cases 108 Horses 9 Dead birds 552 Mosquito pools 524 Sentinel chickens 106 Squirrels
Updated 08/15/07 West Nile Virus Activity in California Counties 2007 YTD Counties with West Nile virus activity (number of human cases) Counties with West Nile virus activity (no human cases) N = 19 counties with human cases Human cases 108 Horses 9 Dead birds 641 Mosquito pools 524 Sentinel chickens 106 Squirrels
Updated 08/21/07 West Nile Virus Activity in California Counties 2007 YTD Counties with West Nile virus activity (number of human cases) Counties with West Nile virus activity (no human cases) N = 21 counties with human cases Human cases 137 Horses 12 Dead birds 641 Mosquito pools 590 Sentinel chickens 136 Squirrels
Updated 08/23/07 West Nile Virus Activity in California Counties 2007 YTD Counties with West Nile virus activity (number of human cases) Counties with West Nile virus activity (no human cases) N = 21 counties with human cases Human cases 137 Horses 12 Dead birds 717 Mosquito pools 590 Sentinel chickens 136 Squirrels
Updated 08/24/07 West Nile Virus Activity in California Counties 2007 YTD Counties with West Nile virus activity (number of human cases) Counties with West Nile virus activity (no human cases) N = 22 counties with human cases Human cases 147 Horses 16 Dead birds 717 Mosquito pools 673 Sentinel chickens 189 Squirrels
Updated 08/29/07 West Nile Virus Activity in California Counties 2007 YTD Counties with West Nile virus activity (number of human cases) Counties with West Nile virus activity (no human cases) N = 23 counties with human cases Human cases 164 Horses 16 Dead birds 789 Mosquito pools 673 Sentinel chickens 189 Squirrels
Updated 08/31/07 West Nile Virus Activity in California Counties 2007 YTD Counties with West Nile virus activity (number of human cases) Counties with West Nile virus activity (no human cases) N = 23 counties with human cases Human cases 172 Horses 18 Dead birds 789 Mosquito pools 761 Sentinel chickens 194 Squirrels
Updated 09/4/07 West Nile Virus Activity in California Counties 2007 YTD Counties with West Nile virus activity (number of human cases) Counties with West Nile virus activity (no human cases) N = 23 counties with human cases Human cases 185 Horses 19 Dead birds 789 Mosquito pools 761 Sentinel chickens 194 Squirrels
Updated 09/5/07 West Nile Virus Activity in California Counties 2007 YTD Counties with West Nile virus activity (number of human cases) Counties with West Nile virus activity (no human cases) N = 23 counties with human cases Human cases 185 Horses 19 Dead birds 832 Mosquito pools 761 Sentinel chickens 189 Squirrels
Updated 09/7/07 West Nile Virus Activity in California Counties 2007 YTD Counties with West Nile virus activity (number of human cases) Counties with West Nile virus activity (no human cases) N = 24 counties with human cases Human cases 198 Horses 19 Dead birds 832 Mosquito pools 819 Sentinel chickens 231 Squirrels
Updated 09/11/07 West Nile Virus Activity in California Counties 2007 YTD Counties with West Nile virus activity (number of human cases) Counties with West Nile virus activity (no human cases) N = 25 counties with human cases Human cases 212 Horses 19 Dead birds 832 Mosquito pools 819 Sentinel chickens 231 Squirrels
Updated 09/14/07 West Nile Virus Activity in California Counties 2007 YTD Counties with West Nile virus activity (number of human cases) Counties with West Nile virus activity (no human cases) N = 26 counties with human cases Human cases 231 Horses 21 Dead birds 915 Mosquito pools 891 Sentinel chickens 273 Squirrels
Updated 09/20/07 West Nile Virus Activity in California Counties 2007 YTD Counties with West Nile virus activity (number of human cases) Counties with West Nile virus activity (no human cases) N = 27 counties with human cases Human cases 245 Horses 22 Dead birds 1070 Mosquito pools 891 Sentinel chickens 273 Squirrels
Updated 09/21/07 West Nile Virus Activity in California Counties 2007 YTD Counties with West Nile virus activity (number of human cases) Counties with West Nile virus activity (no human cases) N = 28 counties with human cases Human cases 257 Horses 22 Dead birds 1070 Mosquito pools 918 Sentinel chickens 330 Squirrels
Updated 09/26/07 West Nile Virus Activity in California Counties 2007 YTD Counties with West Nile virus activity (number of human cases) Counties with West Nile virus activity (no human cases) N = 28 counties with human cases Human cases 271 Horses 24 Dead birds 1170 Mosquito pools 917 Sentinel chickens 330 Squirrels
Updated 09/28/07 West Nile Virus Activity in California Counties 2007 YTD Counties with West Nile virus activity (number of human cases) Counties with West Nile virus activity (no human cases) N = 29 counties with human cases Human cases 290 Horses 24 Dead birds 1170 Mosquito pools 940 Sentinel chickens 330 Squirrels