Any good anagrams for attack rate?

In epidemiology, the attack rate is the percentage of the population that contracts the disease in an at risk population during a specified time interval. It is used in hypothetical predictions and during actual outbreaks of disease. An at risk population is defined as one that has no immunity to the attacking pathogen which can be either a novel pathogen or an established pathogen. It is used to project the number of victims to expect during an epidemic. This aids in marshalling resources for delivery of medical care as well as production of vaccines and/or anti-viral and anti-bacterial medicines. The rate is arrived at by taking the number of new cases in the population at risk and dividing by the number of persons at risk in the population. attack rate = number of new cases in the population at risk number of persons at risk in the population {\displaystyle {\mbox{attack rate}}={\frac {\mbox{number of new cases in the population at risk}}{\mbox{number of persons at risk in the population}}}}

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