Changes in the Viral Distribution Pattern after the Appearance of the Novel Influenza A H1N1 (pH1N1) Virus in Influenza-Like Illness Patients in Peru

Laguna-Torres, Victor Alberto; Gómez, Jorge; Aguilar, Patricia V.; Ampuero, Julia S.; Munayco, Cesar; Ocaña, Víctor; Pérez, Juan; Gamero, María E.; Arrasco, Juan Carlos; Paz, Irmia; Chávez, Edward; Cruz, Rollin; Chavez, Jaime; Mendocilla, Silvia; Gomez, Elizabeth; Antigoni, Juana; Gonzalez, Sofía; Tejada, Cesar; Chowell, Gerardo; Kochel, Tadeusz J.; the Peru Influenza working group

doi:10.1371/journal.pone.0011719

Changes in the Viral Distribution Pattern after the Appearance of the Novel Influenza A H1N1 (pH1N1) Virus in Influenza-Like Illness Patients in Peru

Background We describe the temporal variation in viral agents detected in influenza like illness (ILI) patients before and after the appearance of the ongoing pandemic influenza A (H1N1) (pH1N1) in Peru between 4-January and 13-July 2009. Methods At the health centers, one oropharyngeal swab was …