2002, Number 3

Contents

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Editorial

Manuel Quijano Narezo

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Epidemiologic transition in the 20th century, new wine in old wineskins

Jesús Kumate

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Acute diarrhea and respiratory infections, new faces of old acquaintances

Felipe Mota Hernández

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Diagnosis, treatment and prevention of sexually transmitted diseases (STDs)

Ernesto Calderón Jaimes

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Helminthiasis and cysticercosis

Jorge Tay Zavala; José T Sánchez Vega; Dora Ruiz Sánchez

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Vector transmitted diseases

José Rodríguez Domínguez

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The National Vaccination Program: pride of Mexico

José Ignacio Santos