The spread of bacterial & viral diseases in the twentieth century

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  • The spread of bacterial viral diseases in the twentieth century
    • Spanish Flu
      • 1918, a pandemic spread around the world.
      • up to 40 million people died from this pandemic.
      • Troops in WW1 helped to transmit the disease.
    • The HIV/AIDS threat
      • 1981 - first case of Aids reported in the USA.
      • Spread through blood or body fluids of infected people.
      • it destroys the body's immune person.
      • by 2000 - 30 million infected with AIDS.
      • Worst affected area was Africa - 63% infected.
  • 1918 - 19
    • 7 million deaths were reported in Spain.
    • It killed 280,000 people in the UK.

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