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STD Statistics and information about STD Testing.


  • The estimated number of people living with a sexually transmitted disease (STD) in the United States is over 65 million.
  • Every year, there are approximately 15 million new cases of sexually transmitted disease (STD).
  • About 66% of all sexually transmitted disease (STDs) occur in people 25 years of age or younger.
  • One in four new sexually transmitted diseases (STDs) infections occur in teenagers.
  • Hepatitis B is 100 times more infectious than HIV.
  • At least 1 in 4 Americans will contract a sexually transmitted disease (STD) at some point in their lives.


HIV Statistics


  • 52-96% of all HIV infections may be transmitted during the period before seroconversion.
  • 90% of all AIDS deaths happen with people under the age of 50.
  • 90% of HIV infections that occur among homosexual males occur through anal intercourse.
  • 90% of worldwide HIV transmission occurs in heterosexual people.
  • After acute illness, individuals infected with HIV can remain symptom free from 6 months to 11 years.
  • Over 30,000,000 people are infected with HIV worldwide and there are 16,000 new cases each day.
  • The majority of HIV related AIDS cases occur before the age of 35.


Hepatitis B Statistics


  • In 1990 25% of new hepatitis B cases occur through heterosexual contact.
  • Mothers with chronic hepatitis B have more than an 80% chance of infecting unborn children.
  • 30% of injectable drug users are infected with hepatitis B.
  • About 1% of those with symptoms of acute hepatitis B progress to liver failure.
  • Approximately 10% of the population in the U.S. show evidence of infection with hepatitis B on a blood test.
  • About 15-20% of those infected hepatitis B develop joint aches and a slightly raised rash.
  • About 95% of the population will overcome hepatitis B on their own.
  • About 5% of people infected with hepatitis B go on to become chronic carriers.
  • The fastest growing group of people infected with hepatitis B are heterosexuals.
  • 21% of heterosexuals with more than five sexual partners within the last 4 months had hepatitis B.
  • 10% of those infected with hepatitis B are men who have sex with men.


Hepatitis C Statistics


  • A person can have hepatitis C for 10-20 years without having signs of serious complications, but the hepatitis C virus can still cause serious liver damage.
  • Hepatitis C is the number one cause of liver transplants in the U.S.
  • Hepatitis C is four times more common than HIV in the United States.
  • An estimated 2% (about 4.6 million people) have hepatitis C in the United States.
  • Approximately 8,000-12,000 deaths are attributed to hepatitis C each year.
  • In one study hepatitis C was found in 85-100% of I.V. drug users.
  • In some studies 40% of cases of chronic hepatitis C have no identifiable risk.
  • It is estimated that only 25-30% of new hepatitis C infections are tested and identified.
  • 85% of those infected with hepatitis C will be chronic carriers.
  • 15% will overcome the infection.
  • 4% of hepatitis C infections are from men who have sex with men


Herpes Statistics


  • It is estimated that 20-25% of adults have genital herpes caused by either type 1 or type 2 herpes.
  • 30-40% of primary infections of genital herpes are asymptomatic.
  • Herpes is one of the most commonly transmitted STDs in the United States.
  • 45 million adults over the age of 15 have genital herpes from herpes type 2.
  • There are about 500,000 new herpes infections in the United States each year.
  • 70% of adults have been exposed to herpes 1 by the age of 40.
  • Genital herpes is more common in women than men.


Syphilis Statistics


  • 1/3 of untreated persons will show damage to the organs many years later in the tertiary stage of syphilis. Without treatment 30% of people will die of complications due to syphilis after being infected for 15-20 years.
  • A person who has sexual intercourse with someone who has active syphilis lesions has a 30% chance of becoming infected.
  • Women infected with syphilis have a higher risk of miscarriage.
  • Approximately 50,000 people are diagnosed with syphilis each year.
  • Only 20% of women with syphilis will carry a baby to full term and deliver a healthy baby.
  • About 1 out of 1,000 children born in the United States are born with syphilis.
  • Between 14-36% of people who are HIV positive are infected with syphilis.
  • Primary and secondary stages of syphilis are highest among women 20-29 and men 35-39.
  • Syphilis is called “The Great Mimic” because its symptoms can imitate those of other diseases.


Chlamydia Statistics


  • Chlamydia is responsible for infertility in 20% of women.
  • Studies of symptom free people in various areas of the country show between 5-50% of those tested are infected with chlamydia.
  • Chlamydia is the most commonly reported infectious disease in the United States.
  • 75% of women and 50% of men with chlamydia have no symptoms.
  • 40% of chlamydia cases are reported among people 15-19 years old.


Gonorrhea Statistics


  • Men who have unprotected sex with infected women have a 20-30% chance of contracting gonorrhea.
  • A woman has a 60-80% chance of becoming infected with gonorrhea if having unprotected sex with an infected male.
  • About one million people are diagnosed with gonorrhea each year in the United States.
  • 10% of men and 20-40% of women infected with gonorrhea are asymptomatic.
  • 90% of people who acquire gonorrhea in the throat are asymptomatic.


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