at least 44 cases and More than 1,100 deaths have been reported . The numbers are the highest through mid-August since the virus was first detected . The number is expected to rise , officials say . About 20 % will have relatively mild symptoms , such as fever , headache and vomiting . Steps can be taken to prevent West Nile infection .
at least 44 cases and More than 1,100 deaths have been reported . The numbers are the highest through mid-August since the virus was first detected . The number is expected to rise , officials say . Steps can be taken to prevent West Nile infection .