The economic and public health impact of influenza vaccinations: contributions of Swiss pharmacies in the 2016/17 and 2017/18 influenza seasons and implications for vaccination policy. Swiss Med Wkly [Internet]. 2019 Dec. 17 [cited 2025 Nov. 21];149(5152):w20161. Available from: https://smw.ch/index.php/smw/article/view/2707