Wisconsin Norovirus Outbreak Analysis (2019)

This project analyzes Norovirus outbreaks in Wisconsin in 2019 using the NORS dataset. The analysis focuses on outbreak counts, illness totals, monthly patterns, settings, and transmission modes.

Data: NORS_20251029.csv

Included fields:

State, Year, Etiology

Illnesses, Hospitalizations, Deaths

Month, Setting

What the Script Does :

• Filters Norovirus outbreaks in Wisconsin for 2019

• Calculates total outbreaks, illnesses, hospitalizations, and deaths

• Summarizes outbreaks and illness counts by month

• Summarizes outbreaks by setting and transmission mode

• Generates bar charts for monthly trends, settings, and transmission modes

Visual Outputs

• Outbreaks by month

• Illnesses by month

• Outbreaks by setting

• Outbreaks by transmission mode

How to Run

• Install required packages (tidyverse)

• Place the dataset in the data/ folder

Run the R script