About the Authors

Kathryn E. Lafond

gmj3@cdc.gov (KEL); zux5@cdc.gov (MAW)

Affiliations Influenza Division, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America, School of Health Sciences, University of Tampere, Tampere, Finland

Harish Nair

Affiliations Centre for Global Health Research, University of Edinburgh, Edinburgh, United Kingdom, Public Health Foundation of India, New Delhi, India

Mohammad Hafiz Rasooly

Affiliation Afghanistan National Public Health Institute, Ministry of Public Health, Kabul, Afghanistan

Fátima Valente

Affiliation National Directorate of Public Health, Ministry of Health, Luanda, Angola

Robert Booy

Affiliation National Centre for Immunisation Research and Surveillance, The Children’s Hospital at Westmead, Westmead, New South Wales, Australia

Mahmudur Rahman

Affiliation Institute of Epidemiology, Disease Control and Research, Dhaka, Bangladesh

Paul Kitsutani

Affiliation Influenza Division, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America

Hongjie Yu

Affiliation Division of Infectious Disease, Key Laboratory of Surveillance and Early-warning on Infectious Disease, Chinese Centre for Disease Control and Prevention, Beijing, China

Guiselle Guzman

Affiliation Caja Costarricense de Seguro Social, San José, Costa Rica

Daouda Coulibaly

Affiliation Pasteur Institut of Côte d’Ivoire, Abidjan, Côte d’Ivoire

Julio Armero

Affiliation Ministerio de Salud de El Salvador, San Salvador, El Salvador

Daddi Jima

Affiliation Ethiopian Public Health Institute, Addis Ababa, Ethiopia

Stephen R. C. Howie

Affiliations Medical Research Council Unit, Fajara, The Gambia, Department of Paediatrics, University of Auckland, Auckland, New Zealand, Centre for International Health, University of Otago, Dunedin, New Zealand

William Ampofo

Affiliation Noguchi Memorial Institute for Medical Research, University of Ghana, Accra, Ghana

Ricardo Mena

Affiliation Ministerio de Salud Publica y Asistencia Social, Guatemala City, Guatemala

Mandeep Chadha

Affiliation National Institute of Virology, Pune, India

Ondri Dwi Sampurno

Affiliation National Institute of Health Research and Development, Jakarta, Indonesia

Gideon O. Emukule

Affiliation Centers for Disease Control and Prevention, Nairobi, Kenya

Zuridin Nurmatov

Affiliation Ministry of Health, Bishkek, Kyrgyzstan

Andrew Corwin

Affiliation Influenza Division, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America

Jean Michel Heraud

Affiliation National Influenza Centre, Virology Unit, Institut Pasteur of Madagascar, Antananarivo, Madagascar

Daniel E. Noyola

Affiliation Universidad Autónoma de San Luis Potosí, San Luis Potosí, Mexico

Radu Cojocaru

Affiliation National Centre for Public Health, Chisinau, Republic of Moldova

Pagbajabyn Nymadawa

Affiliation National Influenza Center, Ulaanbaatar, Mongolia

Amal Barakat

Affiliation Institut National d’Hygiène, Ministère de la Santé, Rabat, Morocco

Adebayo Adedeji

Affiliation Federal Ministry of Health, Abuja, Nigeria

Marta von Horoch

Affiliation Ministerio de Salud Publica y Bienestar Social, Asunción, Paraguay

Remigio Olveda

Affiliation Research Institute for Tropical Medicine, Manila, Philippines

Thierry Nyatanyi

Affiliation Ministry of Health, Kigali, Rwanda

Marietjie Venter

Affiliations National Institute for Communicable Diseases, Johannesburg, South Africa, Zoonoses Research Unit, Department Medical Virology, University of Pretoria, Pretoria, South Africa, Division of Global Health Protection, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America

Vida Mmbaga

Affiliation Ministry of Health, Dar es Salaam, Tanzania

Malinee Chittaganpitch

Affiliation National Institute of Health, Ministry of Public Health, Nonthaburi, Thailand

Tran Hien Nguyen

Affiliation National Institute of Hygiene and Epidemiology, Hanoi, Viet Nam

Andros Theo

Affiliation Virology Laboratory, University Teaching Hospital, Lusaka, Zambia

Melissa Whaley

Affiliation Influenza Division, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America

Eduardo Azziz-Baumgartner

Affiliation Influenza Division, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America

Joseph Bresee

Affiliation Influenza Division, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America

Harry Campbell

Affiliation Centre for Global Health Research, University of Edinburgh, Edinburgh, United Kingdom

Marc-Alain Widdowson

gmj3@cdc.gov (KEL); zux5@cdc.gov (MAW)

Affiliation Influenza Division, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America

Global Respiratory Hospitalizations—Influenza Proportion Positive (GRIPP) Working Group

Membership of the GRIPP Working Group is provided in the Acknowledgments.

Competing Interests

We have read the journal's policy and have the following competing interests: DEN has participated on an influenza advisory board for Novartis. RB works with all major manufacturers of influenza vaccines in an advisory capacity, as a researcher on vaccines and as presenter of academic info at conferences, receiving support to travel and attend such conferences. The authors have declared that no other competing interests exist.

Author Contributions

Conceived and designed the experiments: KEL HN MAW. Performed the experiments: KEL MW EAB MAW. Analyzed the data: KEL HN EAB MAW. Contributed reagents/materials/analysis tools: KEL HN MW. Wrote the first draft of the manuscript: KEL. Contributed to the writing of the manuscript: MAW. Enrolled patients: MHR FV RB MR PK HY GG DC JA DJ SH WA RM MCha ODS GOE ZN AC JMH DEN RC PN AB AA MvH RO TN MV VM MChi THN AT GRIPP-WG. Agree with the manuscript’s results and conclusions: KEL HN MHR FV RB MR PK HY GG DC JA DJ SRCH WA RM MCha ODS GOE ZN AC JMH DEN RC PN AB AA MvH RO TN MV VM MChi THN AT MW EAB JB HC MAW GRIPP-WG. All authors have read, and confirm that they meet, ICMJE criteria for authorship.