Development of an Index to Measure West Nile Virus Transmission Risk in New Jersey Counties

A recent study featuring PISC Past Trainee Aimee Palumbo, PhD, MPH, introduces an index created to measure West Nile Virus (WNV) in New Jersey counties. The final model includes 4 indicators of transmission risk, including mosquito abundance, minimum field infection rate, temperature, and human case count. The index was developed using a latent profile analysis. Data from all 21 New Jersey counties in 2004 was used. The index successfully identified three WNV risks with three distinct risk classes: Low Risk, Moderate Risk, and High Risk. The new WNV index will be essential to “guide the development of public health actions intended to mitigate WNV transmission risk to the human population.”

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