CASE FATALITY RATE Definition & Meaning

case fatality rate

[ keys fey-tal-i-tee reyt, fuh- ]

Phonetic (Standard)IPA

noun

the proportion of people who die from a disease contracted during a specific period of time, calculated by dividing the total number of deaths by the total number of cases and typically expressed as a percentage: : CFR
It is often difficult to pinpoint the case fatality rate, because many cases of infection can go undetected and thus unreported.

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�y��vlog History and Origins

Origin of case fatality rate¹

First recorded in 1915–20

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Example Sentences

Examples have not been reviewed.

However, past outbreaks have shown a case fatality rate ranging from 25% to 90%, depending on the circumstances and response measures.

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According to the CDC, the total fatality rate of people who have been infected with H5N1 is estimated to be more than 50 percent, though the true case fatality rate is hard to know without more testing.

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Even if the case fatality rate is much lower for this strain of the bird flu, covid showed how devastating a 1% death rate can be when a virus spreads easily.

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The case fatality rate for covid was around 1%.

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That tally includes 517 deaths, giving this mpox clade an estimated case fatality rate of 3%.

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