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Since Zika virus (ZIKV) was detected in Brazil in 2015, it has spread explosively across the Americas and has been linked to increased incidence of microcephaly and Guillain-Barré syndrome (GBS). In one year, it has infected over 500,000 people (suspected and confirmed cases) in 40 countries and territories in the Americas. Along with recent epidemics of dengue (DENV) and chikungunya virus (CHIKV), which are also transmitted by Aedes aegypti and Ae. albopictus mosquitoes, the emergence of ZIKV suggests an ongoing intensification of environmental and social factors that have given rise to a new regime of arbovirus transmission. Here, we review hypotheses and preliminary evidence for the environmental and social changes that have fueled the ZIKV epidemic. Potential drivers include climate variation, land use change, poverty, and human movement. Beyond the direct impact of microcephaly and GBS, the ZIKV epidemic will likely have social ramifications for women’s health and economic consequences for tourism and beyond.

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Many patients, particularly older patients, interact with multiple providers while accessing health care services in a variety of different settings over extended periods of time. Understanding older patients' experiences of their journeys through the health system is critical to improving service integration and quality of care. In this study, we have summarized the experiences of four patients living with chronic obstructive pulmonary disease as they interacted with the health care system over a three-month period following hospital discharge. Guided by case study methodology, we gathered data through semi-structured interviews and patient logs. Three overarching themes - social support, system navigation, and access - emerged from the data. Attending to provider-patient and provider-provider communication, and to patient social support and self-care needs, could improve integration and care outcomes. Achieving what patients perceive as an integrated and effective system will require time and commitment.