Human Papillomavirus (HPV)


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Background:

HPV are papillomaviruses which is papovaviridae which is the family apart of DNA. The (H) come from it having to deal with the affect on humans.HPV is linked to cervical cancer which is one of the most widely-spread types of cancer world-wide. First discovered human case was diagnosed of HPV was in 1956. Which then had adopted the name human papillomaviruses which had to do with humans having the viruses. HPV can be found anywhere around the world .

Symptoms:

There are no symptoms for HPV, you can only find out if you have Human Papillomavirus if you get checked for genital warts or pep smear if you are a female. There is no way to detect if a male has Human Papillomavirus. There are over 100 strains of HPV. Not all strains of HPV cause cancer. Other strains of HPV can produce genital warts, which look like cauliflower appear on and around the vagina, penis, and anus.

Structure:

The viral capcet is made up of 72v capsomeares. Made up of 2 viral proteins which are L1 and L2 HPV is an a nucleic acid called hybridization.

Transmission of Virus:

-skin to skin contact

-touching something that has been contaminated by the virus

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Mutation:

-can go from HPV to Cervical Cancer if not treated or diagnosed.

-It changes from to a form called p53, then Human Papillomavirus produces a protein that stops the growth of p53 then an uncontrollable growth of cervical cells occur.

Treatment & Preventing:

-There is no treatment for the virus except having a healthy immune system (Preventions.).

-If not it will be harder for the virus to leave your body.

-Limit the amount of sex partners

-Use condoms even though you can still get HPV if you were exposed to it.

-Get the vaccination Gardasil.

Gardasil:

-young women between the ages of 9-26 get this vaccine before they become sexually active (Young Woman Health).

-vaccine is given in three different injections over six months.

-it is affective for at least 5 years.

-100% effective against HPV strains 16 and 18, which are responsible for 70% of cases of cervical cancer.

-99% effective against HPV strains 6 and 11, which are responsible for 90% of cases of genital warts.

Why is it important?

-About 5.5 million new genital HPV cases occur each year -- this is about 1/3 of all new STD infections.

-Nearly three out of four Americans between the ages of 15 and 49 have been infected with genital HPV in their lifetime.

-Over 5,000 women each year die of cervical cancer in the United States due to HPV.


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Sources
-http://www.cdc.gov/STD/HPV/
-http://www.thehpvtest.com/About-HPV.html?gaw=DIGHPV0801&gkw=hpv
-http://www3.niaid.nih.gov/topics/genitalWarts