En-en adult card 28 vectors of disease
Card #28: Vectors of Disease
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With global warming, animals migrate. Some of them carry diseases and can reach areas where the population is not immunized against these diseases.
Explanation
The problem is not so much the proliferation of vectors of disease as their displacement. This card ideally comes after card 25, as vectors of disease are a sub-part of biodiversity.
Other possible links
Causes
Disruption of the water cycle and temperature rise: The vectors of disease card is generally linked to the Terrestrial Biodiversity card because vectors of disease are a sub-part of biodiversity, but it can also be linked to the same causes as the biodiversity card, i.e. disruption of the water cycle and temperature rise.
Permafrost: Permafrost contains billions of buried bacteria and viruses. If it were to thaw, some of these pathogens could end up contaminating human or animal populations. In 2016, there was an anthrax epidemic in Siberia because of a 75-year-old carcass that was reported to have thawed[1].