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Animation gratuite Antigenic drift and Antigenic shift
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When a flu virus has become antigenically different (or "antigenically drifted"), this generally means that the virus' antigenic properties are different enough that the body's immune system (i.e., a person's existing antibodies) will have a harder time recognizing and fighting against the virus.
When a flu virus has become antigenically different (or "antigenically drifted"), this generally means that the virus' antigenic properties are different enough that the body's immune system (i.e., a person's existing antibodies) will have a harder time recognizing and fighting against the virus.
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Gratuit à utiliser sous la licence Lottie Simple
