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Place Invaders

Place Invaders

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Place Invaders

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  1. Place Invaders Disease Travels

  2. Infectious Disease • Also known as • Contagious Disease • Communicable Disease • Transmissible Disease • Caused by a pathogen that carries disease • Not all infections cause disease that can be transmitted

  3. Infectious Diseases • Travel enables the agents of infectious diseases to become Invasive Species • No resistance in new population • Cause epidemics or pandemics • Often move from animals living in close quarters with humans to humans • Diseases also target plants and animals

  4. Travel and Trade • Travel of humans as they emigrated to new continents • Trade across land masses • Trade between land masses • Bridged natural barriers that prevented invasive species including diseases and enabled them to propagate and spread

  5. The Spice Trade

  6. Brown Rat Black Rat

  7. Current Brown & Black Rat Distribution

  8. Bubonic Plague Devastated human populations in the Middle Ages Bacterial Infection

  9. Bubonic Plague Originated In Gobi Desert

  10. Buboes Of Bubonic Plague • Swollen Lymph Nodes

  11. Bubonic Plague http://upload.wikimedia.org/wikipedia/commons/d/d3/Blackdeath2.gif

  12. Bubonic Plague

  13. Infectious Diseases • Spread not only to humans • Plant diseases • Animal diseases • Mammals • Birds • Reptiles and amphibians • Insects

  14. Expanded Trade Routes

  15. Potatoes As early as 500 B.C. the Inca were raising “batatas” and “papas” 1565 Spanish took them back to Spain from Peru

  16. Potato 1565 Spain Peru

  17. Potato 1585 England Italy Spain 1565 Peru

  18. Potato 1590 Ireland England 1585 Italy Spain 1565 Peru

  19. Infectious Diseases

  20. Irish Potato Famine 1845-1851

  21. Late Blight in Potatoes -Phytopthorainfestans

  22. Spanish Flu Epidemic 1918

  23. Spanish Flu Epidemic 1918

  24. H3N8 H2N2 H2N2 H1N1 PandemicH1N1 H3N2 2015 2010 1915 1925 1955 1965 1975 1985 1995 2005 1895 1905 H1N1 H9* Recorded new avian influenzas 1999 H5 1997 2003 H7 1980 1996 2002 1955 1965 1975 1985 1995 2005 Pandemics of influenza Recorded human pandemic influenza(early sub-types inferred) 2009 Pandemic influenza H1N1 1889 Russian influenza H2N2 1968 Hong Kong influenza H3N2 1918 Spanish influenza H1N1 1900 Old Hong Kong influenza H3N8 1957 Asian influenza H2N2 Animated slide: Press space bar Reproduced and adapted (2009) with permission of Dr Masato Tashiro, Director, Center for Influenza Virus Research, National Institute of Infectious Diseases (NIID), Japan.

  25. SARS Virus 2003 Virus Horseshoe Bats Civet Cat People

  26. Bird Flu 2003-today

  27. Foot and Mouth DiseaseEngland 2001

  28. H1N1 Virus Also Known as Swine Flu Photo Courtesy of CDC

  29. Honeybee Colony Collapse • Mysterious Disappearance of worker bees • A combination of factors • Varroa Mite • A Fungal Infection -Nosemaapis • A newly discovered virus – Invertebrate Iridescent Virus • Impact Honey and Pollination • 80% fruits and vegetables