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Theories about cures and prevention of diseases in history - Coggle Diagram
Theories about cures and prevention of diseases in history
Communicable Diseases contact with
the infected eg. common cold, small pox, covid
infected animals or insects eg malaria, tick bite fever, yellow fever, bubonic plague
infected surfaces, material, food or water
Through the air but less common, eg, TB Measels, smallpox and Covid
Smallpox
Highley contagious and deadly
Started in ancient Egypt in 1350 BCE
20th century smallpox = 300 million deaths
symptoms, high fever, headache and a skin rash
Export of diseases in the world
Voyages of European counties to new world took diseases with them and wiped out indigenous people
mid 1600's Dutch - thriving sprice trade with - East
Stop of in Cape of Good Hope and infected many with smallpox
in 1713 pandemic proportion and not enough wood for coffins.
most catastrophic effect was the Khoisan
disease was foreign to them and much less resistance than the white settlers.
Khoisan fled the Cape, but took disease with them
Infected other Khoisan groups that they crossed
members were terrified - so the infected people got killed
Life Saving Vaccines
1796 Dr Edward Jenner
took puss from cowpox and gave it to a boy by scraping it into the skin
6 weeks later, try to infect boy with smallpox
but did not work
first ever vaccine created
Latin "vaccine" means = "cow" in english
Eradication (Elimination) of Small pox
between 1967 and 1980 WHO made sure every child was vaccinated
1977 world was close to being smallpox free
Somalian man Ali Maow Malin last infected person with smallpox in the world
He was monitored for 2 years by WHO and all people in contact with him.
Made a full recovery and become a life long supporter of vaccinations
1980 smallpox was 1 ever disease to be eradicated.
Importance of Immunisations
Anti-vaxxers claim that vaccines are
Promoted unnecessarily by pharmaceutical companies to make money
some believe that measles vaccine can cause autism
a rise in measles due to non vaccination
Herd Immunisations
Anti-Vaxxers also affect the effectiveness of herd immunity
lots of people in a community becomes immune to an infectious disease
because they have been exposed to it or have had a vaccine for it
eg how a myth with aid of fake news spread fast via social media
People are willing to take this at face value and not look at the facts.