Globalization and disease

Globalization, the flow of information, goods, capital, and people across political and geographic boundaries, allows infectious diseases to rapidly spread around the world, while also allowing the alleviation of factors such as hunger and poverty, which are key determinants of global health.[1] The spread of diseases across wide geographic scales has increased through history. Early diseases that spread from Asia to Europe were bubonic plague, influenza of various types, and similar infectious diseases.

In the current era of globalization, the world is more interdependent than at any other time. Efficient and inexpensive transportation has left few places inaccessible, and increased global trade in agricultural products has brought more and more people into contact with animal diseases that have subsequently jumped species barriers (see zoonosis).[2]

Globalization intensified during the Age of Exploration, but trading routes had long been established between Asia and Europe, along which diseases were also transmitted. An increase in travel has helped spread diseases to natives of lands who had not previously been exposed. When a native population is infected with a new disease, where they have not developed antibodies through generations of previous exposure, the new disease tends to run rampant within the population.[citation needed]

Etiology, the modern branch of science that deals with the causes of infectious disease, recognizes five major modes of disease transmission: airborne, waterborne, bloodborne, by direct contact, and through vector (insects or other creatures that carry germs from one species to another).[3] As humans began traveling overseas and across lands which were previously isolated, research suggests that diseases have been spread by all five transmission modes.

  1. ^ Daulaire, N. (July 12, 1999). "Globalization and Health". International RoundtabResponses to Globalization: Rethinking Equity and Health' jointly organized by the Society for International Development (SID), the World Health Organization (WHO), and The Rockefeller Foundation (RF). Archived from the original on 2011-06-22.
  2. ^ "Archived copy". Archived from the original on 2007-09-28. Retrieved 2006-12-14.{{cite web}}: CS1 maint: archived copy as title (link)
  3. ^ Altman, Linda Jacobs (1998). Plague and Pestilence: A History of Infectious Disease. Enslow. ISBN 978-0-89490-957-3.

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