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The number of infected people by Measles, measured over 70-some years and across all 50 states. From the WSJ analysis: http://graphics.wsj.com/infectious-diseases-and-vaccines/
vaccines
A data frame with 3,876 observations and 3 variables.
data frame
year: Year
year
state: Name of the state
state
count: Number of cases per 100,000 people. If the value is NA the count was 0.
count