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To the Editor: Vancomycin-resistant Enterococcus (VRE) has become an important nosocomial pathogen because of its rapid spread, limited therapy options, mortality, and the possibility of transfer of vancomycin resistance to other pathogens such as Staphylococcus aureus. Vancomycin-resistant E. faecium (VREF) and E. faecalis were fi rst described in 1988 (1,2).They have become major noso-comial ...

This paper describes Mexico City’s environmental problems, how and why they arose, and how they have changed over the last ten years. This includes an interest in how the problems have been affected by environmental policies and demographic structures. It highlights how some environmental problems are simply characteristics of large cities while others can only be understood in relation to spec...

We use results of a 3-D photochemistry/transport model for ozone formation in Mexico City during events in 1997 to investigate ambient concentrations of reactive nitrogen in relation to ozone-precursor sensitivity. Previous results from other locations suggest that ratios such as O3/NOy and H2O2/HNO3 might provide measurement-based indicators for NOx-sensitive or VOC-sensitive conditions. Mexic...

Introduction Conclusions References Tables Figures

BACKGROUND Influenza viruses pose a threat to human health because of their potential to cause global disease. Between mid March and mid April a pandemic influenza A virus emerged in Mexico. This report details 202 cases of infection of humans with the 2009 influenza A virus (H1N1)v which occurred in Mexico City as well as the spread of the virus throughout the entire country. METHODOLOGY AND...

The Tijuana River Watershed (TRW) is a binational watershed on the westernmost portion of the US Mexico border, encompassing much of the City of Tijuana in Mexico and portions of the City and County of San Diego in the US (Figure 1). The basin contains three surface water reservoirs, various flood control works, and a National Estuarine Sanctuary which is home to several endangered species and ...

13 Address correspondence to: 14 Gerardo Gamba, M.D., Ph.D. 15 Vasco de Quiroga No. 15, Tlalpan 14000 Mexico City, Mexico 16 e-mail: [email protected] or [email protected] 17 18

Felix Kreier and Ruud M. Buijs Netherlands Institute for Neuroscience, Amsterdam; Department of Endocrinology and Metabolism, Academic Medical Center of the University of Amsterdam, Amsterdam; Department of Endocrinology and Metabolism, Leiden University Medical Center, Leiden, The Netherlands; and Instituto de Investigaciones Biomedicas Universidad National Aútonoma de Mexico, Mexico City, Mexico

1 INAF, Osservatorio Astronomico di Padova, Padua, Italy, 2 Instituto de Astronomía, Universidad Nacional Autonoma de Mexico, Mexico City, Mexico, 3 Instituto de Astrofísica de Andalucía (CSIC), Granada, Spain, 4 Dipartimento di Fisica e Astronomia “Galileo Galilei”, Università di Padova, Padova, Italy, 5 Belgrade Astronomical Observatory, Belgrade, Serbia, 6 INAF, Osservatorio di Astrofisica e...