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Table 1 Triggering events of peaks of the worldwide media coverage on HPV vaccines from 7 September to 23 December 2015a

From: Application of real-time global media monitoring and ‘derived questions’ for enhancing communication by regulatory bodies: the case of human papillomavirus vaccines

Peak time Peak-triggering event
1st peak, 14 September 2015 Study published by the Agence Nationale de Sécurité du Médicament et des Produits de Santé (ANSM, the French medicines agency) and the French health insurance, concluding that HPV vaccines do not increase the risk of autoimmune disorders but suggesting increase of the risk of Guillain-Barré syndrome [30]
Call by two Republican Party lawmakers in the USA towards schools to oppose mandatory HPV vaccination of middle school students in Rhode Island [31]
2nd peak, 24 September 2015 Statement of the Catholic bishop in British Columbia, Canada, saying abstinence is the only healthy choice over HPV vaccination [32]
Announcement in Denmark of the replacement of Gardasil® by Cervarix® in the national HPV immunisation programme [33]
Report claiming that 1500 girls in Denmark have suspected adverse reactions to HPV vaccines [34]
3rd peak, 22 October 2015 Study published in the journal Epidemiology, Biomarkers and Prevention concluding that a quarter of doctors in the USA do not strongly endorse HPV vaccination [35]
4th peak, 26 October 2015 Statement of the International Papillomavirus Society (IPVS) endorsing the use of HPV vaccines [36]
Concerns in Denmark on the marketing authorisation holder’s restrictive search strategy on adverse effects of HPV vaccines [37]
Study published by the US Centers for Disease Control and Prevention (CDC) about low HPV vaccine uptake among adolescent males in the USA [38]
5th peak, 5 November 2015 Publication by the EMA of the PRAC outcome of the referral procedure, concluding that the evidence does not support a causal association between HPV vaccines and CRPS or POTS [23]
6th peak, 10 December 2015 Statement by Health Canada referring to a review of international research data suggesting that there are no new risks associated with Gardasil® and that it can be used safely [39]
  1. aThe references do not provide all news stories or blog posts; they provide the key source as far as identifiable or selected examples of articles