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Open Access Research article

Human papillomavirus infections in women seeking cervical Papanicolaou cytology of Durango, Mexico: prevalence and genotypes

Luis Francisco Sánchez-Anguiano12*, Cosme Alvarado-Esquivel1, Miguel Arturo Reyes-Romero1 and Margarita Carrera-Rodríguez2

Author Affiliations

1 Facultad de Medicina, Universidad Juárez del Estado de Durango (UJED). Durango, México

2 Instituto de Investigación Científica, UJED. Durango, México

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BMC Infectious Diseases 2006, 6:27  doi:10.1186/1471-2334-6-27

Published: 20 February 2006

Abstract

Background

HPV infection in women from developing countries is an important public health problem. Therefore, we sought to determine the prevalences of HPV infection and HPV genotypes in a female population of Durango City, Mexico. Also to determine whether any socio-demographic characteristic from the women associated with HPV infection exists.

Methods

Four hundred and ninety eight women seeking cervical Papanicolaou examination in three public Health Centers were examined for HPV infection. All women were tested for HPV DNA PCR by using HPV universal primers. In addition, all positive HPV DNA PCR samples were further analyzed for genotyping of HPV genotype 16, 18 and 33. Socio-demographic characteristics from each participant were also obtained.

Results

Twenty-four out of four hundred and ninety-eight (4.8%) women were found infected by HPV. HPV genotype 16 was found in 18 out of the 24 (75%) infected women. Two of them were also coinfected by HPV genotype 18 (8.3%). In the rest 6 PCR positive women, genotyping for HPV genotypes 16, 18 and 33 were negative.

Conclusion

The prevalence of HPV in women of Durango City is low; however, most infected women have high risk HPV genotype. The women who were studied showed low frequency of risk factors for HPV infection and this may explain the low prevalence of HPV infection. The high frequency of high risk HPV genotypes observed might explain the high rate of mortality for cervical cancer in our region.