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Interaction between zoonotic bacteria and free living amoebas. A new angle of an epidemiological polyhedron of public health importance? Interacción entre bacterias zoonóticas y amebas de vida libre: ¿un nuevo ángulo de un poliedro epidemiológico de importancia en salud pública?

This article presents the level of public knowledge and evaluation towards Mutuales de seguridad-private occupational safety and health insurance institutions-in Chile. The sample is composed by phone interviews to 300 adult dependent workers living in households located in urban areas of Santiago de Chile. Households were selected through random dialling. The results show a high proportion of workers declaring to know what these institutions are, while about a third declares not to have information about them. Regarding information provided by mutuales, they report higher satisfactionwith information associated to benefits non-related to health and safety (for instance, discounts) and with those associated with the coverage in case of accident. For those who have suffered an occupational accident, the most valued areas of the service are the medical attention and the rehabilitation process, while the least valued areas are the process of transportation from the site of accident to the medical centre and the administrative process associated to the accident's treatment. These results highlight the need for better strategies to promote activities aiming to prevent occupational accidents. They also make clear that there is space for improvement in the area of support activities related to accidents treatment.

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Although most studies show that breastfeeding delays the resumption of ovarian cyclicity and menses, Lactational Amenorrhea (LA) is its highly variable among different populations. Research has shown differences hormonal levels between fully nursing amenorrheic women and who those who recovered menses during the first six postpartum months: E2 levels or PRL/E2 ratio could be predictive of this condition. However, research about this phenomenon is not conclusive. Thus, this review article, through an analysis of secondary, summarizes the main factors involved in LA, considering its importance as a effective and natural contraception method.

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