Twenty-five Years of Outpatient Influenza Surveillance in South Africa, 1984–2008

Johanna M. McAnerney, Cheryl Cohen, Jocelyn Moyes, Terry G. Besselaar, Amelia Buys, Barry D. Schoub, Lucille Blumberg
2012 Journal of Infectious Diseases  
doi:10.1093/infdis/jis575 pmid:23169963 fatcat:be4xz7s6avhapdzeqdtldxxyv4