About the Authors

Sibongile Walaza

sibongilew@nicd.ac.za (SW); stefanot@nicd.ac.za (ST)

Affiliations National Institute for Communicable Diseases of the National Health Laboratory Service, Johannesburg, South Africa, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa

Cheryl Cohen

Affiliations National Institute for Communicable Diseases of the National Health Laboratory Service, Johannesburg, South Africa, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa

Ananta Nanoo

Affiliation National Institute for Communicable Diseases of the National Health Laboratory Service, Johannesburg, South Africa

Adam L. Cohen

Affiliations Influenza Division, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America, Influenza Division, Centers for Disease Control and Prevention, Pretoria, South Africa

Johanna McAnerney

Affiliation National Institute for Communicable Diseases of the National Health Laboratory Service, Johannesburg, South Africa

Claire von Mollendorf

Affiliations National Institute for Communicable Diseases of the National Health Laboratory Service, Johannesburg, South Africa, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa

Jocelyn Moyes

Affiliations National Institute for Communicable Diseases of the National Health Laboratory Service, Johannesburg, South Africa, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa

Stefano Tempia

sibongilew@nicd.ac.za (SW); stefanot@nicd.ac.za (ST)

Affiliations National Institute for Communicable Diseases of the National Health Laboratory Service, Johannesburg, South Africa, Influenza Division, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America, Influenza Division, Centers for Disease Control and Prevention, Pretoria, South Africa

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SW ST CC. Performed the experiments: SW ST CC AN J. McAnerney. Analyzed the data: SW ST CC AN. Contributed reagents/materials/analysis tools: SW ST CC AN J. McAnerney ALC J. Moyes CvM. Wrote the paper: SW CC ST ALC J. Moyes J. McAnerney AN CvM.