World Pandemics

  • 430 BCE

    Plague of Athens

    Causal Agent: Unknow (possibly typhoid fever)
    Disease Type: Infectious (fever)
    Initial Region: Greece
    Global Impact: Athens and other city-states
  • 165

    Antonine Plague

    Causal Agent: Smallpox or Measles
    Disease Type: Infectious (viral)
    Initial Region: Roman Empire
    Global Impact: Millions of deaths
  • 251

    Plague of Cyprian

    Causal Agent: Likely smallpox
    Disease Type:Infectious (viral)
    Initial Region: Roman Empire
    Global Impact: High mortality in Roman cities
  • 541

    Justinian Plague

    Causal Agent: Yersinia pestis
    Disease Type: Bubonic Plague
    Initial Region: Egypt / Byzantine Empire
    Global Impact: 50 million deaths
  • 1301

    Subsequent Plague Pandemics

    Casual Agent: Yersinia Pestis
    Disease Type: Bubonic Plague
    Initial Region: Europe/Asia
    Global Impact: Multiple outbreaks, millions of deaths
  • 1347

    Black Death

    Casual Agent: Yersinia pestis
    Disease Type: Bubonic Plague
    Initial Region: Central Asia
    Global Impact: 75–200 million deaths
  • 1501

    Smallpox Pandemics

    Casual Agent: Smallpox virus
    Disease Type: Viral
    Initial Region: Global (colonization)
    Global Impact: High mortality; eradicated in 1980
  • First Cholera Pandemic

    Casual Agent: Vibrio cholerae
    Disease Type: Bacterial (diarrheal)
    Initial Region: India
    Global Impact: Six more pandemics from 1826-1923
  • Secondd Cholera Pandemic

    Casual Agent: Vibrio cholerae
    Disease Type: Bacterial
    Initial Region: India/Europe
    Global Impact: Spread to Europe and America
  • Third Cholera Pandemic

    Casual Agent: Vibrio cholerae
    Disease Type: Bacterial
    Initial Region: Global
    Global Impact: The deadliest of all
  • Fourth Cholera Pandemic

    Casual Agent: Vibrio cholerae
    Disease Type: Bacterial
    Initial Region: India
    Global Impact: 100,000--150,000 deaths
  • Fifth Cholera Pandemic

    Casual Agent: Vibrio cholerae
    Disease Type: Bacterial
    Initial Region: India/Europe
    Global Impact: 400,000 deaths
  • Russian Flu (possible pandemicc)

    Casual Agent: Likely H2N2 or coronavirus
    Disease Type: Influenza (viral)
    Initial Region: Russia
    Global Impact: 1 million deaths
  • Sixth Cholera Pandemic

    Casual Agent: Vibrio cholerae
    Disease Type: Bacterial
    Initial Region: India/Russia
    Global Impact: 800,000 deaths
  • Spanish Flu

    Casual Agent: H1N1
    Disease Type: Viral
    Initial Region: USA/Europe/Asia
    Global Impact: 20-50 million detahs
  • Asian Flu

    Casual Agent: H2N2 Influenza
    Disease Type: Viral
    Initial Region: China
    Global Impact: 1-2 million deaths
  • Seventh Cholera Pandemic

    Casual Agent: Vibrio cholerae
    Disease Type: Bacterial
    Initial Region: Indonesia/Asia
    Global Impact: 1.5 million deaths
  • Hong Kong Flu

    Casual Agent: H3N2 Influenza
    Disease Type: Viral
    Initial Region: Hong Kong
    Global Impact: 1 million deaths
  • HIV/AIDS

    Casual Agent: HIV
    Disease Type: Viral (retrovirus)
    Initial Region: Central Africa
    Global Impact: 32 + million deaths so far
  • Swine Flu (H1N1)

    Casual Agent: H1N1 Influenza
    Disease Type: Viral
    Initial Region: Mexico/USA
    Global Impact: 200,000 confirmed deaths
  • COVID-19

    Casual Agent: Coronavirus (SARS-CoV-2)
    Disease Type: Respiratory Viral
    Initial Region: China
    Global Impact: 7+million confirmed deaths worlddwide