| virus isolations and high population density implicate culex antennatus (becker) (diptera: culicidae) as a vector of rift valley fever virus during an outbreak in the nile delta of egypt. | in june, 2003, egypt's hospital-based electronic disease surveillance system began to record increased cases of acute febrile illness from governorates in the nile delta. in response to a request for assistance from the egyptian ministry of health and the world health organization (who), the u.s. naval medical research unit no. 3 (namru-3) provided assistance in identifying the cause and extent of this outbreak. testing of human clinical samples (n=375) from nine governorates in egypt identified ... | 2011 | 21570939 |