Epidemiology of Influenza Virus Types and Subtypes in South Africa, 2009–20121
Adam L. Cohen
, Orienka Hellferscee, Marthi Pretorius, Florette Treurnicht, Sibongile Walaza, Shabir Madhi, Michelle Groome, Halima Dawood, Ebrahim Variava, Kathleen Kahn, Nicole Wolter, Anne von Gottberg, Stefano Tempia, Marietjie Venter, and Cheryl Cohen
Author affiliations: Centers for Disease Control and Prevention, Atlanta, Georgia, USA, and Pretoria, South Africa (A.L. Cohen, S. Tempia, M. Venter); National Institute for Communicable Diseases, Sandringham, South Africa (O. Hellferscee, M. Pretorius, F. Treurnicht, S. Walaza, N. Wolter, A. von Gottberg, S. Tempia, M. Venter, C. Cohen); University of the Witwatersrand, Johannesburg, South Africa (S. Madhi, M. Groome, N. Wolter, A. von Gottberg, C. Cohen); Medical Research Council: Respiratory and, Meningeal Pathogens Research Unit, Johannesburg (S. Madhi, M. Groome); Pietermaritzburg Metropolitan Hospital Complex, Pietermaritzburg, South Africa (H. Dawood); University of KwaZulu-Natal, Durban, South Africa (H. Dawood); Klerksdorp Tshepong Hospital, Klerksdorp, South Africa (E. Variava); University of the Witwatersrand, Johannesburg (K. Kahn); Umeå University, Umeå, Sweden (K. Kahn); INDEPTH Network, Accra, Ghana (K. Kahn); University of Pretoria, Pretoria, (M. Venter)
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Figure
Figure. Number of case-patients hospitalized with influenza-associated severe acute respiratory illness, by week and virus strain at 4 sites, South Africa, 2009–2012.
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Page updated: June 17, 2014
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