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A further review of post-licensure data revealed that human papillomavirus (HPV) vaccines are highly effective in preventing infection with oncogenic HPV types.
The results should reassure patients, parents and health care providers, said the researchers in a press release.
This study was published in the British Journal of Clinical Pharmacology and has not identified any new or unexpected safety concerns with the bivalent vaccine against HPV.
The authors analyzed reports submitted to the Vaccine Adverse Reaction Reporting System (VAERS) following bivalent HPV vaccination (2vHPV) from 2009 to 2017. VAERS received 241 reports of adverse events after the 2vHPV vaccine.
Of the 241 2VHPV reports examined, 95.8% were classified as non-serious.
The most common symptoms were dizziness, headache, nausea and reactions at the injection site.
"This review provides additional evidence that the bivalent vaccine against HPV is safe and that most adverse reactions are mild and resolve quickly," said lead author Tiffany Suragh, MPH, of the CDC.
According to the Center for Disease Control and Prevention (CDC), of the 32,500 cancers that HPV has caused each year, 30,000 are due to strains that could have been prevented by the 9-valent HPV vaccine.
While most HPV vaccines used in the United States during this period were the quadrivalent HPV vaccine, 720,000 doses of the bivalent HPV vaccine were distributed.
HPV vaccines were licensed by the US Food and Drug Administration (FDA) in 2014: bivalent (2vHPV), quadrivalent (4vHPV) and 9-valent vaccines.
Since the end of 2016, only the 9-valent HPV vaccine has been available in the United States. Gardasil 9 is a 9-valent HPV vaccine that protects against 9 types of HPV, including 7 types that can cause cancer.
HPV vaccination services can be found in most pharmacies and medical practices in the United States.
To schedule an HPV vaccination appointment, please visit this page.
And discounts on HPV vaccines can be found here.
Vaccines, like all drugs, can have side effects. You are encouraged to report negative side effects of vaccines to the FDA or CDC.
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