Epidemiologic and clinical features among patients hospitalized in Wisconsin with 2009 H1N1 influenza A virus infections, April to August 2009.
Chitnis
Amit S
AS
Bureau of Communicable Diseases and Emergency Response, Wisconsin Division of Public Health, Madison, WI 53701-2659, USA.
Truelove
Shaun A
SA
Druckenmiller
Jean K
JK
Heffernan
Richard T
RT
Davis
Jeffrey P
JP