1 dic 2009 año - Swine Flu Outbreak
Descripción:
Swine Flu, which had originated in pigs, became a strain that could be transmitted between humans. Between April, 2009 and August, 2010 there was an official death toll of 18,500.
Añadido al timeline:
fecha:
1 dic 2009 año
Ahora mismo
~ 15 years ago