During May 2009–April 2010, we analyzed 692 samples of pandemic (H1N1) 2009 virus from patients in Mexico. We detected the H275Y substitution of the neuraminidase gene in a specimen from an infant with pandemic (H1N1) 2009 who was treated with oseltamivir. This virus was susceptible to zanamivir and resistant to adamantanes and oseltamivir.

Objetivo: Identificar perfiles que describan la asociación entre nivel de empatía y asertividad con nivel de ansiedad y depresión, sexo y año de formación en estudiantes de enfermería. Método: 909 estudiantes completaron Escala Multidimensional de Empatía, factor Asertividad de Escala Multidimensional de Asertividad, Inventario de Ansiedad e Inventario de Depresión de Beck. Resultados: Se detectaron 4 perfiles, 1. Mujeres, asertividad “menor”, depresión “leve” o “moderada”, ansiedad “moderada”; 2. Asertividad “mayor”, ansiedad “leve”, empatía “media”, primer año de formación; 3. Empatía “alta”, depresión y ansiedad “severa”, tercer año de formación; 4. Hombres, empatía “baja”, depresión y ansiedad “mínima”, cuarto año de formación. Conclusión: Se detecta un perfil “funcional” con mayor asertividad, nivel medio de empatía y ansiedad leve. Un bajo nivel de empatía se asocia con niveles mínimos de ansiedad y depresión en hombres. Finalmente, bajos niveles de asertividad se asocian con niveles moderados de ansiedad y depresión en mujeres.

Introduction: Psychological well-being favors the functioning of personal and social life. Valid and reliable instruments are necessary for its evaluation that allow deciding and assessing the actions necessary to promote it. Objective. To evaluate the psychometric properties of the Scale of Psychological Well-being for Adults (BIEPS-A) in a Mexican sample. Methods: The BIEPS-A scale and the Rosenberg Self-Esteem Scale (RSES) were administered to 188 university students and 94 participants from the general population. Results: A parallel analysis detected a single factor in the BIEPS-A scale, structured by exploratory factor analysis (main components, oblique rotation) that retained 9 items and explained 54% of the variance. Internal consistency ranged from acceptable (Cronbach's α = .78) to high (ordinal alpha = .90). ROC curve analysis identified a cut-off point equivalent to the median (AUC = .72, p <.01) and another to the 75th percentile (AUC = .80, p <.01). The latter identified as a woman, between 18 and 25 years old with a low or slight level of self-esteem as predictors of a low level of psychological well-being. The BIEPS-A scale showed concurrent (r = .57) and predictive (β = .63) validity with the EAR. Discussion and conclusions: The BIEPS-A scale is a valid and reliable instrument to assess psychological well-being in the Mexican population. However, the differences with respect to its original structure indicate the need for a psychological well-being scale designed specifically for the Mexican population.

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Introduction. Anxiety and depression in pregnant women are a public health problem. Their adequate detection requires valid and reliable instruments that are also useful for prevention and treatment. Objective. To identify the psychometric properties of the Hospital Anxiety and Depression Scale (HADS) in a sample of Mexican pregnant women. Method. The HADS was applied to 716 pregnant women between 13 and 46 years old (M = 26.55; SD = 6.56) attended in a public hospital in Mexico City. Results. With a sample of 358 participants, a parallel analysis indicated a bifactorial structure for HADS, identified by exploratory factor analysis (Factor 1: anxiety, Factor 2: depression). The factors explained 53% of the variance and correlated positively (r = .36). The global internal consistency (Cronbach’s α = .81; ordinal α = .93) and by factor (anxiety: Cronbach’s α = .79; ordinal α = .88; depression: Cronbach’s α = .79; ordinal α = .87) was acceptable. With data from the remaining 358 participants, a confirmatory factor analysis showed an acceptable fit for the structure detected (χ2/gl = 2.72; RMSEA = .06 [IC .05, .08]; GFI = .93; AGFI = .90; TLI = .90; CFI = .92). Discussion and conclusions. The Hospital Anxiety and Depression Scale has adequate psychometric properties to be used in pregnant Mexican women. Its use in routine pregnancy controls would be useful to prevent, detect, and timely treat these conditions.