hpv virus
TRANSCRIPT
What is HPV?HPV stands for human papilomavirus.There are more than 100 types of HPV.
What is HPV? (continued)Non envelopedNaked viruses55 nm in diameterSome types of HPV produce warts on the
hands or feet.Double standard and super coil DNA.HPV cause disease in human.
Diseases caused by HPV
Certain types of HPV in the genitals may causeGenital warts (low-risk types)
Cell changes which may lead to cervical and certain other cancers (high-risk types)
Most HPV infections will go away in eight to 13 months — some will not.
About 40 types of HPV can infect the genital area the vulva, vagina, cervix, rectum, anus, or scrotum.
How is HPV spread?Any kind of sexual activity involving skin to
skin genital contact with an infected person.People with HPV may not show any signs or
symptoms, so they can pass the virus on without knowing it.
What are the symptoms of high-risk HPV infection?High-risk types of HPV do not usually
cause any symptoms. Most women feel fine even when they
have cell changes in their cervix that can lead to cancer.
HPV Vaccine and Precautions
The HPV vaccine is given in 3 separate injections over the course of 6 months.
It protects against four types of HPVtwo that cause 70 percent of all cervical cancertwo that cause 90 percent of all genital warts.
HPV Vaccine and PrecautionsContinued..The U.S. Food and Drug Administration
approves the use of the HPV vaccine for girls and women from age nine to 26.
The American Cancer Society recommends the vaccine for women age 11 to age 18.