Rafael Alonso Guerrero

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A new species of Oswaldocruzia Travassos, 1917, a parasite of Bufo marinus L. from Venezuela, is described. Like most Neotropical Oswaldocruzia, Oswaldocruzia venezuelensis sp. n. is characterized by spicules with three principal branches: blade, shoe and fork, and by a division of the fork within the distal third of the spicule length. O. vaucheri Ben(More)
OBJECTIVE To evaluate the population effectiveness of highly active antiretroviral therapy (HAART) in HIV progression and determine the heterogeneity of the effect of HAART in GEMES (Spanish multicenter study of seroconverters). DESIGN Multicenter cohort study. METHODS Data from 1091 persons with well-documented HIV seroconversion dates from 1980s to(More)
We conducted a case-control study to evaluate the effectiveness of BCG vaccination in preventing childhood tuberculosis (TB) in Cali, Colombia. We ascertained 178 cases aged 0 to 14 years from the respiratory clinics with cough or fever for at least three weeks and a positive chest X-ray for TB, as well as 320 controls who were from the same households but(More)
BACKGROUND Although the consensus is that gender does not influence HIV progression, its relevance may depend on the setting. AIM To study gender differences in HIV progression to AIDS and death from 1986 to 2001 in a cohort of injecting drug user (IDU) seroconverters in Spain. METHODS Risk of AIDS and death in persons infected for the same length of(More)
BACKGROUND The prevalence of mental disorders among prisoners has been researched in a few countries worldwide but never previously in Spain. AIM Our aim was to estimate the lifetime and last month prevalence of mental disorders in a Spanish prison population. METHODS This is a descriptive, cross-sectional, epidemiological study of 707 male prisoners.(More)
Live attenuated vaccines have recently been introduced for preventing rotavirus disease in children. However, alternative strategies for prevention and treatment of rotavirus infection are needed mainly in developing countries where low vaccine coverage occurs. In the present work, N-acetylcysteine (NAC), ascorbic acid (AA), some nonsteroidal(More)
Rotaviruses are the leading cause of severe, acute, and dehydrating diarrhea affecting children under 5 years of age worldwide. Despite an important reduction in rotavirus-caused deaths as a consequence of the rotavirus vaccine, alternative or complementary strategies for preventing or treating rotavirus-associated diarrhea are needed mainly in the poorest(More)
  • 2010
(1) Servicios Médicos Penitenciarios. La Modelo. Barcelona. (2) Servicios Médicos Penitenciarios. Quatre Camins. Barcelona. (3) Hospital Consorci Sanitari de Terrassa. Barcelona. (4) Servicios Médicos Penitenciarios de Brians I. Barcelona. (5) Servicios Médicos Penitenciarios de Brians II de Barcelona. (6) Secretaria de Serveis Penitenciaris, Rehabilitació(More)
INTRODUCTION Present knowledge suggests that cardiovascular disease originates and progresses from childhood and adolescence. Endothelial dysfunction is an early and crucial event in atherosclerosis. PATIENTS AND METHOD Prospective study that compares Flow Mediated Vasodilation (FMV) in children with overweight (OWC) and normal weight children. An(More)
Little is known about the role of IgA in the immune response against Giardia duodenalis infection. The current study identified the antigens of Colombian G. duodenalis isolates which stimulate the production of IgA anti-G. dudoenalis. Cyst and trophozoite stage proteins were separated by SDS-PAGE and their antigenicity was determined by Western blot.(More)