Household transmission of influenza in a developing country setting—South Africa, 2013

P.J. Iyengar1, C. von Mollendorf2, N. Martinson3, M. Chhagan4, E. Variava5, S. Tempia6, M. McMorrow7, M. Gambhir7, S. Cauchemez8, A. Cohen9, C. Cohen10 1 Centers for Disease Control and Prevention, Atlanta, USA 2 National Institute for Communicable Diseases, Johannesburg, South Africa 3 Johns Hopkins University School of Medicine, Baltimore, USA 4 University of KwaZulu-Natal, Durban, South Africa 5 Klerksdorp-Tshepong Hospital, North West Province, South Africa 6 Centers for Disease Control and Prevention, Pretoria, South Africa 7 Centers for Disease Control and Prevention, Atlanta, USA 8 Imperial College London, London, United Kingdom 9 CDC, Atlanta, South Africa 10 National Institute for Communicable Diseases, Sandringham, South Africa