Influenza vaccination in the elderly: why are the overall benefits still hotly debated?

@inproceedings{Trucchi2015InfluenzaVI,
  title={Influenza vaccination in the elderly:
why are the overall benefits still hotly debated?},
  author={Cecilia Trucchi and Chiara Paganino and Andrea Orsi and Daniela de Florentiis and Filippo Ansaldi},
  booktitle={Journal of preventive medicine and hygiene},
  year={2015}
}
The exact magnitude of the benefit of influenza vaccine among elderly individuals is subject of considerable debated. Existing vaccine effectiveness estimates come mostly from observational studies, which may be biased because of difficulties in identifying and adjusting for confounders. In this paper, we examine the potential sources of bias in… CONTINUE READING