15 avr. 2009 - Discovery of H1N1
Description:
A new strain of the Type A influenza virus emerges, called H1N1. Patient A is identified, a 10 year old boy in San Diego. Lab results show that this new flu virus is made up of swine, bird, and human genes that has mutated in pigs and spread to humans.Ajouté au bande de temps:
Date:
15 avr. 2009
Maintenaint
~ Il y a 16 ans