This website is a wonderful source of information, as one can find out the incidence of side-effects from drugs and vaccines as well as access many case histories by simply typing key words of what one is looking for into the search window.
https://www.patientsville.com/
Here are some links to information I accessed:
Flu vaccines:
https://patientsville.com/fluvaccines.htm
Hepatitis B vaccine reaction case histories:
https://patientsville.com/vaccine/hep_b_en7_side_effects.htm
Gardasil vaccine reaction case histories
https://www.patientsville.com/vaccine/hpv__gardasil_3_side_effects.htm
(Who said that vaccines are effective??)