http://www3.niaid.nih.gov/topics/Flu/Research/basic/AntigenicShiftIllustration.htm
Illustration which explains how the genetic change (that enables a flu strain to jump from one animal species to another) occurs.
Creador(es): United States. Department of Health and Human Services - HHS. National Institutes of Health - NIH. National Institute of Allergy and Infectious Diseases
Recursos añadido en:
21/05/2009
Idiomas disponibles:
Inglés
