Concepción Grajales-Muñíz

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a Surgeon specialising in Epidemiology and Professor of Hospital Administration and Public Health, Epidemiological Surveillance Management, Mexican Social Security Institute, Mexico City, Mexico b Surgeon specialising in Epidemiology, Epidemiological Surveillance Management, Mexican Social Security Institute, Mexico City, Mexico c Surgeon specialising in(More)
BACKGROUND Since hepatitis A virus is transmitted via the fecal-oral route, outbreaks in nurseries are favored by constant diaper changes and failures in hygienic measures. The purpose of this investigation was to describe an outbreak of hepatitis A between November 2012 and February 2013 at a nursery in Mexicali, Baja California, as well as the measures(More)
INTRODUCTION The frequency and mortality of the pandemic caused by influenza A(H1N1)pdm09 might have been underestimated, especially in developing countries. This study was designed to quantify the possible underestimation of pandemic influenza mortality and evaluate the concordance between the data reported for A(H1N1)pdm09 mortality and the causes of(More)
BACKGROUND Three imported cases of measles were detected in 2011, so the issue of surveillance with epidemiological alerts intensified. The aim of this article is to describe the phenomenon of intensified surveillance of febrile rash illness before the import of confirmed measles in the country at the Mexican Institute of Social Security cases. METHODS(More)
BACKGROUND A new highly pathogenic human coronavirus has emerged. Its natural history and its determinants are still under investigation. It lacks a publication to examine all the cases identified worldwide. Therefore, the objective of this paper is to describe the cases and deaths caused by the new coronavirus. METHODS World Health Organization's,(More)
a Surgeon specialising in Epidemiology and Professor of Hospital Administration and Public Health, Epidemiological Surveillance Management, Mexican Social Security Institute, Mexico City, Mexico b Surgeon specialising in Epidemiology, Epidemiological Surveillance Management, Mexican Social Security Institute, Mexico City, Mexico c Surgeon specialising in(More)
Infection Zika virus is an emerging disease in the Americas region, which is caused by Zika virus (ZIKV), an arbovirus of the flavivirus genus. The ZIKV is transmitted by the bite of Aedes mosquitoes, both in urban and jungle area. After the mosquito bite, the disease symptoms usually appear after an incubation period of three to twelve days. The infection(More)
BACKGROUND Bordetella pertussis infection remains a public health problem in several developed and developing we describe the epidemiological syndrome cases subsystem special surveillance of whooping cough from 1992 to 2011 at a population with social security. METHODS We obtained special cases subsystem Pertussis surveillance of 1992-2011. Univariate(More)