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Human infectious diseases may be characterized by their case fatality rate (CFR), the proportion of people diagnosed with a disease who die from it (cf. mortality rate).It should not be confused with the infection fatality rate (IFR), the estimated proportion of people infected by a disease-causing agent, including asymptomatic and undiagnosed infections, who die from the disease.
Pandemics [58] [59] and infectious diseases or epidemics can be major underlying causes of deaths. In a small study of 26 decedents, [better source needed] the pandemized COVID-19 and infection-related disease were "major contributors" to patients' death. [12]
There have been various major infectious diseases with high prevalence worldwide, but they are currently not listed in the above table as epidemics/pandemics due to the lack of definite data, such as time span and death toll. An Ethiopian child with malaria, a disease with an annual death rate of 619,000 as of 2021. [18]
Unlike a disease's mortality rate, the CFR does not take into account the time period between disease onset and death. A CFR is generally expressed as a percentage. It is a measure of disease lethality, and thus may change with different treatments. [1] CFRs are most often used for with discrete, limited-time courses, such as acute infections.
For the Netherlands, based on overall excess mortality, an estimated 20,000 people died from COVID-19 in 2020, [10] while only the death of 11,525 identified COVID-19 cases was registered. [9] The official count of COVID-19 deaths as of December 2021 is slightly more than 5.4 million, according to World Health Organization's report in May 2022.
Worldwide, mortality rates have decreased as both technological and medical advancements have led to a tremendous decrease in infectious diseases. With fewer people dying from infectious diseases, there is a rising prevalence of chronic and/or degenerative diseases in the older surviving population. [citation needed]
Heart disease mortality rates vary by ethnicity and gender. Here’s a breakdown of the percentage of heart disease deaths by race, ethnicity, and gender, according to 2015 data from the CDC:
This is a list of infectious diseases arranged by name, ... List of causes of death by rate − including specific infectious diseases and classes thereof;