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HPV vaccine: Questions and Answers
By National Immunization Program
Feb 6, 2007 - 6:52:52 AM
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Editor's note: The following questions and answers about HPV vaccine are prepared by National Immunization Program. The content represents the government's opinion. Foodconsumer.org has nothing to do with NIP and publishing the information does not mean any endorsement. Readers may also read related articles for the issue.
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What
is the HPV vaccine?
The
vaccine, Gardasil, is the first vaccine developed to prevent cervical
cancer, precancerous genital lesions, and genital warts due to
HPV.
Who
should get the HPV vaccine?
The
Advisory Committee on Immunization Practices (ACIP) recommended
routine vaccination for girls 11-12 years of age. The ACIP recommendation
also allows for vaccination of girls beginning at nine years old
as well as vaccination of girls and women 13-26 years old. Recommendations
of the ACIP become CDC policy once they are accepted by director
of the CDC and the Secretary of HHS and are published in CDC’s
Morbidity and Mortality Weekly Report (MMWR).
Are
there other HPV vaccines in development?
Another HPV vaccine (being developed by GlaxoSmithKline)
is in the final stages of clinical testing, but it is not yet
licensed. This vaccine would protect against the two types of
HPV that cause most cervical cancers.
How
and when is the vaccine delivered?
The vaccine is given in a series of three injections over a six-month
period. The second and third doses should be given at two and
six months (respectively) after the first dose. HPV vaccine may
be given at the same time as other vaccines.
Is
the HPV vaccine effective?
This vaccine is highly effective in preventing four types of HPV
in young women who have not been previously exposed to HPV. This
vaccine targets HPV types that cause up to 70% of all cervical
cancers and about 90% of genital warts. The vaccine will not treat
existing HPV infections or their complications.
Is
the HPV vaccine safe?
The FDA has licensed the vaccine as safe
and effective. This vaccine has been
tested in thousands of females (9 to
26 years of age) around the world. These
studies have shown no serious side effects.
The most common side effect is brief
soreness at the injection site. CDC,
working with the FDA, will continue
to monitor the safety of the vaccine
after it is in general use.
Does
the vaccine contain thimerosal or mercury?
No, there is no thimerosal or mercury in the vaccine.
How
long does vaccine protection last? Will a booster shot be needed?
The length of vaccine protection (immunity) is usually not known
when a vaccine is first introduced. So far, studies have found
that vaccinated persons are protected for five years. More research
is being done to find out how long protection will last, and if
a booster dose of vaccine will be needed .
Will
girls/women be protected against HPV and related diseases, even
if they don’t get all three doses?
It is not yet known how much protection girls/women would get
from receiving only one or two doses of the vaccine. For this
reason, it is very important that girls/women get all three doses
of the vaccine.
Does
the vaccine protect against cervical cancer?
Yes, HPV vaccine is the first vaccine developed to prevent cervical
cancer. This new vaccine is highly effective in preventing HPV
infection, the major cause of cervical cancer in women. The vaccine
protects against four types of HPV, including two that cause about
70% of cervical cancer.
How
common is cervical cancer?
The American Cancer Society estimates that in 2006, over 9,710
women will be diagnosed with cervical cancer and 3,700 will die
from this disease.
Will
the girls/women who have been vaccinated still need cervical cancer
screening?
Yes, they will still need to see their healthcare provider for
cervical cancer screening. There are three reasons why women will
still need regular cervical cancer screening. First, the vaccine
will NOT provide protection against all types of HPV that cause
cervical cancer, so women will still be at risk for some cancers.
Second, some women may not get all required doses of the vaccine
(or they may not get them at the right times), so they may not
get the vaccine’s full benefits. Third, women may also not
get the vaccine’s full benefits if they have already acquired
a vaccine HPV type.
Why
is the vaccine only recommended for girls/women ages 9-26?
The vaccine has been extensively tested in 9-26 year-old females
so information is only available about vaccine safety and protection
for girls/women of this age group. However, studies on the vaccine
are now being done in boys/men, as well as in women older than
26 years of age. The FDA will consider licensing the vaccine for
these other groups when there is research to show that it is safe
and effective in these groups.
Why
is HPV vaccine recommended for girls
11 to 12 years of age?
It is important for girls to get HPV vaccine before they become
sexually active. The vaccine is most effective for girls/women
who get vaccinated before their first sexual contact. It does
not work as well for those who were exposed to the virus before
getting the vaccine. However, most women will still benefit from
getting the vaccine because they will be protected against other
virus types contained in the vaccine.
Should
pregnant women be vaccinated?
The vaccine is not recommended for pregnant women. There has only
been limited information about vaccine safety among pregnant women
and their unborn babies. So far, studies suggest that the vaccine
has not caused health problems during pregnancy, nor has it caused
health problems for the child. But more research is still needed.
For now, pregnant women should wait to complete their pregnancy
before getting the vaccine. If a women finds out she is pregnant
after she has started getting the vaccine series, she should wait
until after her pregnancy is completed to finish the three-dose
series.
What
about vaccinating males?
We do not yet know if the vaccine is effective in boys or men.
Studies are now being done to find out if the vaccine works to
prevent HPV infection and disease in males. When more information
is available, this vaccine may be licensed and recommended for
boys/men as well.
Will
my child be required to get the vaccine before she enters school?
There are no federal laws requiring the immunization of children.
All school and daycare entry laws are state laws and vary from
state to state. Therefore, you should check with your state health
department of Board of Education to find out what vaccines your
child will need to enter school or daycare.
Each
year the CDC publishes childhood and adolescent immunization schedules
that provide recommended timelines for immunization of children
and adolescents. The annual childhood and adolescent immunization
schedules are a joint effort of the CDC, the American Academy
of Pediatrics (AAP), and the American Academy of Family Physicians
(AAFP). While these organizations have no regulatory authority
over the immunization of children, the recommendations of the
CDC, AAP, and AAFP are considered standards of medical practice
and most physicians follow the recommendations.
How
much will the HPV vaccine cost?
The retail price of the vaccine is $120 per dose ($360 for full
series).
Will
the vaccine be covered by insurance plans?
Most insurance plans and managed care plans cover recommended
vaccines. However, there may be a lag-time after a vaccine is
recommended, before it is available and covered by health plans.
While some insurance companies may cover the vaccine, others may
not.
How
can I get the vaccine if I don’t have insurance?
The Vaccines for Children (VFC) program helps families of children
who may not otherwise have access to vaccines by providing free
vaccines to doctors who serve them. The VFC program provides free
vaccines to children and adolescents younger than 19 years of
age, who are either Medicaid-eligible, American Indian, or Alaska
Native or uninsured. There are over 45,000 sites that provide
VFC vaccines, including hospital, private, and public clinics.
The VFC Program also allows children and adolescents to get VFC
vaccines through Federally Qualified Health Centers or Rural Health
Centers, if their private health insurance does not cover vaccinations.
For more information about the VFC, visit www.cdc.gov/nip/vfc/Default.htm
.
Some
states also provide free or low-cost vaccines at public health
department clinics to people without health insurance coverage
for vaccines.
What
is HPV?
HPV (human papillomavirus) is a virus that is common in the United
States and around the world and can cause cancer and genital warts.
HPV is spread through sexual contact. There are about 100 types
of HPV. HPV is the major cause cervical cancer in women and is
also associated with several other types of cancer in both men
and women.
How
common is HPV?
HPV is the most common sexually transmitted infection in the United
States. At least 50 percent of sexually active people will get
HPV at some time in their lives. Every year in the U.S., about
6.2 million people get HPV. HPV is most common in young women
and men who are in their late teens and early 20s.
Is
HPV the same thing as HIV or herpes?
No, HPV is not the same as HIV or herpes virus (herpes simplex
virus or HSV). While these are all viruses that can be sexually
transmitted— HIV and HSV do not cause the same symptoms
or health problems as HPV.
Can
HPV be treated?
There is no treatment for HPV. But there are treatments for the
health problems that HPV can cause, such as genital warts, cervical
cell changes, and cancers caused by HPV.
National Immunization Program (NIP)
This
page last modified on December 1, 2006
Content of this page last reviewed on
July 7, 2006