WMAR ABC World News With David Muir August 18, 2012
good evening. on this saturday night, and we do begin with the growing concerns over the west nile virus across so many states now and we learned late today that the spraying in dallas has now been halted tonight because of the weather and just as we learned of this new delay we're getting a clear picture how concerned the federal authorities. centers for disease control con terming 17 defendants and 693 confirmed cases. i want to show you how wide spread this is. the west nile virus is now coast to coast. we'll light up the map in red. 43 states in all reporting the cases of the vir...
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