Plausibly Exogenous [1501] - Vaccination Timing (03/13/2024)
LHS Variable
Diagnosis of influenza
RHS Variable
Vaccination timing
Source of Exogenous Variation
Kids born, by chance, in August tend to be vaccinated earlier than October-born kids, who are vaccinated before December-born kids, since annual checkups around their birthday are opportunities for flu shots.
- Worsham, Bray, and Jena (2024), “Optimal timing of influenza vaccination in young children: population based cohort study”