Question

In Medieval Europe, it took a few years for the Black Death to consume all of Europe. In 2009 the H1N1 disease spread all over the world in a few months. Considering the information on the map, how might the H1N1 virus have spread so quickly throughout the world?

Answer 1

what map

Answer 2

rats where infected with the black death disease, and where accidently shipped all over Europe due to them sneaking on boats, once a human was infected it was spread though any human contact. H1N1 could be spread the same way such coughing, kissing, ect.