List of human disease case fatality rates

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List of Human Disease Case Fatality Rates

The List of Human Disease Case Fatality Rates provides a comprehensive overview of the lethality of various diseases affecting humans. The Case Fatality Rate (CFR) is a measure used to assess the severity of a disease, indicating the proportion of individuals diagnosed with a disease who die from it within a specified period. This list is crucial for public health planning, risk assessment, and the development of strategies to combat infectious and non-infectious diseases.

Definition[edit | edit source]

The Case Fatality Rate (CFR) is defined as the number of deaths caused by a disease divided by the number of diagnosed cases of that disease, usually expressed as a percentage. It is an important indicator of disease severity and a critical component in the management and understanding of disease outbreaks.

Factors Influencing CFR[edit | edit source]

Several factors can influence the CFR of a disease, including the availability and effectiveness of medical treatment, the age and general health of the affected population, and the virulence of the disease-causing agent. Additionally, the method of calculation and the stage of the disease when diagnosed can significantly affect the CFR.

List of Diseases and Their CFR[edit | edit source]

Below is an incomplete list of diseases with their respective case fatality rates. This list is subject to change as new data becomes available and as diseases evolve.

  • Ebola Virus Disease: Approximately 50% (varies by outbreak, ranging from 25% to 90%)
  • Marburg Virus Disease: Around 88% in the 2004 Angola outbreak
  • Rabies: Nearly 100% once symptoms have developed
  • HIV/AIDS: Varied significantly before the advent of antiretroviral therapy; now significantly lower with effective treatment
  • Influenza (Seasonal): Well below 0.1% on average, but varies by strain and population
  • COVID-19: Varied by age, health status, and healthcare access; estimated <2% on average globally
  • Malaria: Approximately 0.3% for Plasmodium falciparum infections in endemic areas with treatment
  • Tuberculosis: Approximately 15% for those who are HIV-negative and treated; significantly higher in untreated or HIV-positive cases

Challenges in Determining CFR[edit | edit source]

Determining accurate CFRs for diseases can be challenging due to underreporting of cases, differences in disease surveillance quality between regions, and changes in medical treatment over time. Additionally, emerging diseases may have initially high CFRs that decrease as understanding and treatment of the disease improve.

Implications for Public Health[edit | edit source]

Understanding the CFR of diseases is crucial for public health officials and policymakers in prioritizing resources, developing health interventions, and implementing disease control measures. It also helps in the risk assessment and planning for potential outbreaks or pandemics.

See Also[edit | edit source]

Notes[edit | edit source]

This article provides a snapshot of the case fatality rates for various diseases. It is important to note that these rates are subject to change as new data becomes available and as medical research advances. The list is not exhaustive and serves as a starting point for understanding the impact of different diseases on human populations.

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Contributors: Prab R. Tumpati, MD