Researchers say more than two-thirds of healthy US adults are infected with the human papillomavirus (HPV), which can lead to genital warts and in some cases, cancer.
The findings are based on tissue samples from 103 people, provided to the National Institutes of Health as part of their Human Microbiome Project to study how microorganisms affect health.
Pap smear and Cervical Cancer Screening
Pap smear is the most common test used in screening cervical cancer caused by an infection with human papilloma virus. Pap smear should be repeated every 1 to 3 years till the age of 65 years.
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A full 69 percent had HPV, said the study led by researchers at New York University Langone Medical Center.
Most of the strains of HPV that were detected, 109 in all, were not the type that are linked to cancers of the cervix, anus, penis, mouth and throat, said the findings presented at a meeting of the American Society of Microbiology in Boston.
![Warts]( "Warts")
Warts arise on damaged skin infected with HPV and are common in children, young adults, and those with a compromised immune system. Warts easily spread through skin contact, and are normally benign.
Just four of the people sampled -- men and women between the ages of 18 and 80 -- carried strains of HPV type 16 and 18, which can trigger cancer.
Experts say HPV is the most common sexually transmitted infection in the United States, and that most people contract it in some form during their lifetimes.
Often the body clears the infection on its own, though some strains can linger and lead to cancer.
"Our study offers initial and broad evidence of a seemingly 'normal' HPV viral biome in people that does not necessarily cause disease and that could very well mimic the highly varied bacterial environment in the body, or microbiome, which is key to maintaining good health," said senior study investigator and NYU Langone pathologist Zhiheng Pei.
Researchers did not break down the infections by age group.
HPV was most commonly found on the skin, where its prevalence was 61 percent. Skin samples were taken from the areas behind the ear and in front of the nostril.
After that, it was most common in the vagina (42 percent), mouth (30 percent) and gut (17 percent).
Pei said the findings also show that current tests for HPV only look for about a dozen strains and so are likely missing many of those actually exist.
Broader methods of detecting HPV and better diagnostic tests are needed, the researchers said.
Source: AFP
Warts
Warts arise on damaged skin infected with HPV and are common in children, young adults, and those with a compromised immune system. Warts easily spread through skin contact, and are normally benign.
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Just four of the people sampled -- men and women between the ages of 18 and 80 -- carried strains of HPV type 16 and 18, which can trigger cancer.
Experts say HPV is the most common sexually transmitted infection in the United States, and that most people contract it in some form during their lifetimes.
Often the body clears the infection on its own, though some strains can linger and lead to cancer.
"Our study offers initial and broad evidence of a seemingly 'normal' HPV viral biome in people that does not necessarily cause disease and that could very well mimic the highly varied bacterial environment in the body, or microbiome, which is key to maintaining good health," said senior study investigator and NYU Langone pathologist Zhiheng Pei.
Researchers did not break down the infections by age group.
HPV was most commonly found on the skin, where its prevalence was 61 percent. Skin samples were taken from the areas behind the ear and in front of the nostril.
After that, it was most common in the vagina (42 percent), mouth (30 percent) and gut (17 percent).
Pei said the findings also show that current tests for HPV only look for about a dozen strains and so are likely missing many of those actually exist.
Broader methods of detecting HPV and better diagnostic tests are needed, the researchers said.
Source: AFP
Risk of Oral HPV Not Higher Among People Who Have Long-Term Partners With the Condition
A new study suggests that the risk of contracting human papilloma virus-positive oropharyngeal cancer among people whose partners suffered from the condition was no higher than the general population.
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 Post National Immunization Program, Reduction in HPV in Young Women in EnglandReduction was observed in the most common cervical cancer in women under 35 in England where around 2000 to 2500 women are diagnosed with cervical cancer each year. | Advertisement
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