Introduction to Meta-Analysis in R using the BCG Vaccine in RCT

This Quarto document presents an analysis of the Oswego foodborne outbreak (1940), a classic case in field epidemiology. It includes data exploration, calculation of attack rates, and visualization of the epidemic curve using R. The document demonstrates how epidemiological methods can identify the likely vehicle of a foodborne outbreak and provides a free R script for reproducible analysis. Ideal for students, epidemiologists, and public health practitioners interested in outbreak investigation.