No Association between HPV Vaccine and Reported Post-Vaccination Symptoms in Japanese Young Women: Results of the Nagoya Study•A large-scale epidemiological study on HPV vaccination and reported post vaccination symptoms was performed. •Age-adjusted analyses found no significant association between HPV vaccines and occurrence of the 24 reported symptoms. •Increased odds of hospital visits for some symptoms is unlikely to be due to any biological association. Nagoya City introduced free HPV vaccination in 2010 and in Apri
