Government of the United States of America - Influenza Division, Government of the United States of America - Influenza Division, Government of the United States of America - Influenza Division, Centers for Disease Control and Prevention (Dominican Republic), Government of the United States of America - Influenza Division, California Emerging Infections Program, Colorado Department of Public Health and Environment, Colorado Department of Public Health and Environment, Yale School of Public Health - Connecticut Emerging Infections Program, Yale School of Public Health - Connecticut Emerging Infections Program, Emory University - Department of Pediatrics, Georgia Department of Public Health - Georgia Emerging Infections Program, Government of the State of Maryland - Department of Health, Government of the United States of America - Michigan Department of Health & Human Services, Government of the United States of America - Michigan Department of Health & Human Services, Minnesota Department of Health, Minnesota Department of Health, New Mexico Department of Health, University of New Mexico - New Mexico Emerging Infections Program, New York State Department of Health, New York State Department of Health, University of Rochester - School of Medicine and Dentistry, University of Rochester - School of Medicine and Dentistry, Ohio Department of Health, Ohio Department of Health, Oregon Health Authority, Vanderbilt University - Medical Center, Vanderbilt University - Medical Center, Salt Lake County Health Department, Salt Lake County Health Department, Government of the United States of America - Influenza Division, Government of the United States of America - Influenza Division and Government of the United States of America - Influenza Division

Hasselt University, Interuniversity Institute for Biostatistics and statistical Bioinformatics (IBioStat) - Data Science Institute, Hasselt University, Marshfield Clinic Research Institute, Marshfield Clinic Research Institute, Government of the United States of America - Influenza Division, Centers for Disease Control and Prevention, Centers for Disease Control and Prevention, Centers for Disease Control and Prevention, Vanderbilt University - Medical Center, Vanderbilt University - Medical Center, Vanderbilt University - Medical Center and Vanderbilt University - Medical Center