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Pictures taken at Istituto Zooprofilattico Sperimentale delle Venezie (IT)
Source: Istituto Zooprofilattico Sperimentale delle Venezie

The images can be used free of charge provided the source is credited.

European researchers study the avian influenza viruses in order to develop new vaccines and diagnostic methods Chickens to be tested are kept in air-tight conditions. Several ongoing EU projects are monitoring avian flu and designing new vaccines and diagnostics.

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An egg is assessed after inoculation of attenuated viruses. Live chicks show the virus was inactivated. It is then possible to use this version of the virus to produce a vaccine.

Vaccines are produced in eggs but avian flu viruses can kill eggs. Therefore those viruses have to be attenuated in order to produce a vaccine.

Scores of eggs are used to produce vaccines with the current technologies.

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Inoculation of a vaccine candidate in an egg.
Scores of eggs are used to produce vaccines with the current technologies.
Influenza viruses can be seen through an electronic microscope.

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