Did You Know... The Facts About HPV? The Abramson Cancer Center
of the University of Pennsylvania Last Modified: January 13,
2008 - HPV is one of the most common sexually transmitted
diseases in the world. - By age 50, about 80% of women have been
infected by some type of HPV. - Most HPV infections do not cause
any symptoms, therefore people are unaware that they are
infected. - 70-80% of HPV infections resolve spontaneously
because our immune system fights them off. - HPV is found in 99%
of cervical cancers. - There are 100 strains of HPV, 12 or more
are classified as “high risk” and are linked to cancer. - Most
women with HPV do NOT develop cervical cancer. - About 20% of
women infected with HPV will develop chronic infection, and 2%
of these will develop cervical cancer. - Two strains of HPV are
responsible for causing genital warts. - Sexual intercourse is
not necessary for transmission of HPV; skin to skin
genital/genital, genital/anal and possibly genital/oral contact
is sufficient for transmission. - U