Evolutionary models: applications Examples from Clinical Virology Dr Gert van Zyl NHLS, Tygerberg and Stellenbosch University.
Update on Influenza Virus Surveillance Findings in 2008/09 Season in Northern Hemisphere Who Collaborating Center for Reference and Research on Influenza.
Preventing Infectious Disease LESSON 3-2. Objectives TSW summarize direct and indirect ways common infectious diseases can be transmitted. TSW describe.
Vaccines Polio - close to eradication. In 2001 >1000 cases worldwide; last wild case in Americas in Peru in 1991.
