West Nile virus activity--United States, September 29-October 5, 2004.  [electronic resource] 

 -  MMWR. Morbidity and mortality weekly report  Oct 2004 
 - 922-3 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>1545-861X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adolescent<br/>Adult<br/>Aged<br/>Aged, 80 and over<br/>Animals<br/>Bird Diseases--virology<br/>Birds--virology<br/>Blood Donors<br/>Child<br/>Child, Preschool<br/>Chiroptera--virology<br/>Culicidae--virology<br/>Dog Diseases--virology<br/>Dogs--virology<br/>Female<br/>Horse Diseases--virology<br/>Horses--virology<br/>Humans<br/>Infant<br/>Male<br/>Middle Aged<br/>Population Surveillance<br/>Sciuridae--virology<br/>United States--epidemiology<br/>West Nile Fever--epidemiology<br/>West Nile virus--isolation & purification