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?
The virus was spread throughout the world by flocks of migratory birds.
The virus was spread throughout the world via international airline travel.
The virus was spread throughout the world via contaminated meat.
The virus was spread throughout the world by infected street

Answer 1

The best and most correct answer among the choices provided by your question is the second choice.

The H1N1 virus have spread so quickly throughout the world by international airline travels.


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Answer 2

The correct answer is - The virus was spread throughout the world via international airline travel.

During the Middle Ages, the Black Death needed several years to spread around the European continent because the communication and the travel from one place to another were still very limited.

The H1N1 virus, on the other hand, managed to spread around the globe in only few months, and that is due to the modern way of life and development in the travel sector. The airplanes are going all around the world, thus transporting people all around the world, so any individual that carries the virus will be able to infect people from multiple countries in the plane itself, and once it reaches the destination, people in that country too.