Exploring the effect of previous inactivated influenza vaccination on seasonal influenza vaccine effectiveness against medically-attended influenza: results of the European I-MOVE multicentre test-negative case-control study, 2011/12-2016/17.

Exploring the effect of previous inactivated influenza vaccination on seasonal influenza vaccine effectiveness against medically-attended influenza: results of the European I-MOVE multicentre test-negative case-control study, 2011/12-2016/17.