S1 Table. Provincial adjustment factors for severe acute respiratory illness (SARI) healthcare-
seeking behavior, 2009–2011.
S2 Table. Estimated hospitalized severe acute respiratory illness (SARI) incidence (95% C.
I.) stratified by HIV serostatus for South Africa, 2009–2011. Data are rates per 100,000 persons.
S3 Table. Influenza-associated hospitalized severe acute respiratory illness (SARI) incidence
and number of cases in each province for 2009–2011, stratified by HIV serostatus.
S1 Appendix. Equations used in calculation of annual number of cases of influenza-associated
severe acute respiratory illness (SARI).