Science and Development Network
News, views and information about science, technology and the developing world
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Definitions
A list of terms related to Bird flu.
E
Egg-based vaccine production
The traditional method for producing influenza vaccines. Influenza virus is injected into eggs, where it replicates. It is later harvested and used to make vaccine. This method is criticised for being slow and cumbersome. Compare to cell-based vaccine production and recombinant vaccines.
Endemic
Relating to a disease that is constantly present in an area or particular to persons in such an area.
Epidemiology
The study of epidemics and the diseases that cause them, especially the factors that influence the incidence, distribution and control of infectious diseases.
Experimental development
Systematic work, drawing on knowledge gained from both research and practical experience, that is directed at producing new materials, products and devices; at installing new processes, systems and services; or at improving substantially those that have already been produced or installed (see also research and development) (FM).
