Acknowledgments
The authors thanks Dr. Irma Asuncion (Epidemiology Bureau), Dr. Lyndon Lee-Suy and Dr. Gemma Arellano (Disease Prevention and Control Bureau), and Head of the Regional Epidemiology Surveillance Units in Regions I, II, III, V, VI, VII, IX, X, XI, XII and CAR, Hospital Directors of SPMC, VSMMC, SLH, LCP and BGHMC, health center physicians, nurses, and other health workers in the sentinel sites, the Influenza Surveillance Officers (ISOs) in the sentinel sites and the staff of the SARI subnational laboratories.
The authors acknowledge Ms. Ava Kristy S. Lee for her contribution during the development and implementation of the study. To the RITM Virology Department and Data Management Unit (DMU) for the technical assistance and data storage. The authors also thanks Ms. Loraine Mationg and Ms. Johanna Beulah Sornillo of the RITM Department of Epidemiology and Biostatistics for the statistical analysis.