Resumen de First Influenza Pandemic of the 21st Century

Maria de Nazaré de Oliveira Fraga

• A few years ago, based on basic technical information, the World Health Organization (WHO) was alerting to the imminent risk of a new influenza pandemic, since its etiological agent, the influenza virus, has high plasticity, suffers mutations and reappears very cyclically.

  DOI:https://doi.org/10.15253/2175-6783.2009000200001