Background: Healthcare personnel (HCP) are a priority group for annual influenza vaccination. Few studies have assessed … the validity of recall of prior influenza vaccination status among HCP, especially for more than one preceding season ….Methods: Using data from a randomized controlled trial of influenza vaccination among HCP from two US healthcare systems, we assessed …

differences across counties with low- and high vaccination rates. Policy implications are discussed. …

) to evaluate the effects of vaccinations and variants on the epidemic and macroeconomic outlook. Vaccination plays the …, increasing the volatility of epidemic curves and worsening the macroeconomic outlook. If a more contagious variant emerges after … vaccination becomes available, therefore, the mitigating factor of the latter is at least partially offset by the former. A new …

Vaccination represents a canonical example of externalities in economics, yet there are few estimates of their … magnitudes. I estimate social and externality benefits of influenza vaccination in two settings. First, using a natural … experiment, I estimate the impacts of aggregate vaccination rates on mortality and work absences in the United States. Second, I …

We analyze the effects of a vaccination program providing free flu vaccine to individuals aged 65 or more on take … design around the threshold at age 65. We find that the program increases vaccination take-up by 6 percentage points, which …