Affiliations
1Influenza Division, Centers for Disease Control and
Prevention, Atlanta, Georgia, United States of America.
2Influenza Program, Centers for Disease Control and
Prevention, Pretoria, South Africa.
3Centre for Respiratory Diseases and Meningitis,
National Institute for Communicable Diseases of the National Health
Laboratory Service, Johannesburg, South Africa.
4MassGenics, Duluth, Georgia, Unites States of
America.
5School of Public Health, Faculty of Health Sciences,
University of the Witwatersrand, Johannesburg, South Africa.
6Global Immunization Monitoring and Surveillance Team,
Expanded Programme on Immunization, Department of Immunization, Vaccines
and Biological, World Health Organization, Geneva, Switzerland.
7Division of Virology, National Health Laboratory
Service, Charlotte Maxeke Johannesburg Academic Hospital, Johannesburg,
South Africa
8School of Pathology, Faculty of Health Sciences,
University of the Witwatersrand, Johannesburg, South Africa.
9Department of Medicine, Pietermaritzburg Metropolitan
Hospital, Pietermaritzburg, South Africa.
10Department of Medicine, University of KwaZulu-Natal,
Pietermaritzburg, South Africa.
11Department of Medicine, Klerksdorp-Tshepong Hospital
Complex, Klerksdorp, South Africa.
12Department of Medicine, Faculty of Health Sciences,
University of the Witwatersrand, Johannesburg, South Africa.
13Perinatal HIV Research Unit, University of the
Witwatersrand, Johannesburg, South Africa.