Human Papillomavirus in the region of La Ribera-Valencia: Present and future.

Objective: Human Papillomavirus (HPV) is the main cause of cervical cancer. The etiology and effects derived from this infection are set by molecular techniques and cytological diagnosis, respectively. In the present study, data obtained by an opportunist screening of cervical cancer in La Ribera region are revised and related statistically.

[Significance of hepatitis B core antibody as the only marker of hepatitis B infection].

Introduction: Little is known about the clinical significance of the "anti-HBc alone" serological profile (absence of HBsAg and anti-HBs) in HBV infections. The objective of the present study was to estimate the prevalence of the anti-HBc alone immunological profile and the clinical-epidemiological characteristics of patients with this profile.

Methods: Prospective, cross-sectional, descriptive study performed in 2002 and including patients with anti-HBc alone (HBsAg-negative, anti-HBs-negative and anti-HBc-positive).