"niosh-2005-155" . "Recommendations for Protecting Outdoor Workers from West Nile Virus Exposure"^^ . "2005"^^ . "http://www.cdc.gov/niosh/docs/2005-155/"^^ . "report" . . . . . . . _:genid1 . _:genid1 . _:genid1 . _:genid1 . _:genid2 . _:genid2 . _:genid2 . _:genid2 .