All vaccines undergo extensive testing and are approved as 'safe and reliable'.

So please explain why the following vaccines were all withdrawn: Trivirix MMR vaccine made by GSK Canada caused meningitis, Plusrix MMR vaccine made by GSK UK caused meningitis, Immravax MMR vvacine made by Aventis Pasteur caused meningitis, Rotashield rotavirus vaccine made by Wyeth Lederle caused bowel obstruction, Polio vaccine made by Medeva caused vCJD, the human form of mad cow disease, Lymerix Lyme disease vaccine made by GSK caused Lyme disease and severe arthritis, BCG vaccine made by PowderJect did not meet the end-of-shelf-life specification, Imovax hepatitis B, polio and Haemophilus influenzae type B made by Aventis Pasteur tested positive for the live vaccine, Hexovac diphtheria, tetanus, whooping cough vaccine made by Sanofi Merck provided inadequate protection, PedvaxHIB haemophilus influenzae type B vaccine made by Merck was contaminated with a bacteria called Bacillus cereus, Comvax haemophilius B and hepatitis B vaccine made by Merck was contaminated with a bacteria called Bacillus cereus, Menjugate meningitis C vaccine made by Novartis was infected with bacteria Staphylococcus aureus, Fluvax   flu vaccine made by CSL caused seizures, Preflucel  flu vaccine made by Baxter Healthcare   caused fatigue, muscle pain and headaches and Pandemrix flu vaccine made by GSK caused narcolepsy.

But for now the HPV vaccines are still considered safe!