A case-control study of quadrivalent human papillomavirus vaccine-associated autoimmune negative events. 2015, Geier, Clin Rheumatol

The authors analyzed the serious adverse events of Gardasil in the USA. The vaccine is associated with an increase in the risk of gastroenteritis by 4.6 times, arthritis – 2.5 times, systemic lupus – 5.3 times, vasculitis – 4 times, alopecia – 8.3 times, nervous system diseases – 1.8 times.
Vasculitis (inflammation of the blood vessels) starts, on average, 6 days after the vaccination, lupus – 19 days later, arthritis – after 55 days.