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Prevalence of hepatitis B virus infection and related risk factors in a rural community of Mexico.
M Cisneros-Castolo
M Cisneros-Castolo
Division of Epidemiology, Coordination of Community Health, Mexican Institute of the Social Security.
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L Hernández-Ruiz
L Hernández-Ruiz
Division of Epidemiology, Coordination of Community Health, Mexican Institute of the Social Security.
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I E Ibarra-Robles
I E Ibarra-Robles
Division of Epidemiology, Coordination of Community Health, Mexican Institute of the Social Security.
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R H Fernández-Gárate
R H Fernández-Gárate
Division of Epidemiology, Coordination of Community Health, Mexican Institute of the Social Security.
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J Escobedo-De La Peña
J Escobedo-De La Peña
Division of Epidemiology, Coordination of Community Health, Mexican Institute of the Social Security.
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A cross-sectional survey of the seroprevalence of hepatitis B virus (HBV) markers among healthy people was conducted in San Juanito, a rural community in the northern state of Chihuahua, Mexico. The overall prevalence in 970 people was 6.6% for antibody to hepatitis B core antigen. There was an age effect on the prevalence of HBV infection, and a gradual increase in prevalence was observed in patients up to the age of 40 years. Those subjects with a history of dental procedures had a 2-fold higher risk for HBV infection (odds ratio [OR], 2.4; 95% confidence intervals [CI], 1.01-5.86), and there was a 74% increased risk for each blood product transfusion (OR, 1.74; 95% CI, 1.09-2.77). Horizontal transmission seems to be the major source of endemicity in San Juanito because no woman was a chronic carrier. To lower HBV transmission rate, an adequate active screening program for blood donors should be implemented, together with a universal infant immunization program.
Author Notes
| Past two years | Past Year | Past 30 Days | |
|---|---|---|---|
| Abstract Views | 146 | 110 | 20 |
| Full Text Views | 458 | 5 | 1 |
| PDF Downloads | 114 | 6 | 1 |