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Many Latinx and Indigenous Mexican populations in the United States Southwest live in unincorporated communities in the US-Mexico borderlands called colonias. These environmental justice communities often lack basic infrastructure, including healthcare services, prompting many to seek services across the border. However, due to geopolitical factors more vulnerable caregivers are limited to utilize healthcare services in the US. This paper reports the experiences and healthcare decision-making of caregivers living in colonias in the US-Mexico border region who care for children with respiratory health conditions. This study was carried out from September to December 2020. Focus groups and interviews were conducted with Latinx and Indigenous Mexican caregivers of children with asthma or respiratory distress. Qualitative interviews elicited caregivers' perspectives on the environmental factors affecting children's chronic health conditions and use of healthcare services. The analysis employed the concept of structure vulnerability to theorize geography as a structural determinant of health for caregivers faced with making healthcare decisions for their suffering from respiratory health conditions. A survey was administered to collect basic sociodemographic information. A total of 36 caregivers participated in the study. Structural factors including unincorporated community status and government inaction intersected with social determinants of health to prompt caregivers to cross the US-Mexico border to access healthcare services in Mexico for their children. Yet, more vulnerable caregivers (i.e., those without documentation status in the US) and their children, accessing healthcare services in the US was not an option limiting caregivers' ability to meet their children's healthcare needs. In such cases, geography acts as a structural determinant of health. This study shows the importance of geography in health. Rural unincorporated colonias located in the borderlands are precariously located and lack basic critical infrastructure including healthcare access. Within such places, historically and socially marginalized populations become invisible, are subject to the health effects of environmental hazards, and are limited depending on their positionality and thus vulnerability to healthcare services. • Municipal unincorporation contributes to health disparities among Latinx families in US-Mexico borderlands. • Latinx children in colonias are disproportionately exposed to environmental toxins. • Geography acts as a structural determinant of health for Latinx families in colonias. • A binational approach to health services should be prioritized for families in the borderlands. [ABSTRACT FROM AUTHOR]

While carers' vulnerability has often been neglected in the literature, the recent COVID-19 pandemic brought this issue to the fore. This article explores why it has been so often ignored and how could it be dealt with differently. It does so in the form of a philosophical and conceptual investigation illustrated by various examples and situations, related primarily, but not exclusively, to the COVID period. Criticising a property-based view, and based on examples of carers' vulnerability during the pandemic, our investigation suggests that carers' vulnerability is relationally constructed and played out on multiple interwoven dimensions that may contradict each other. Our examples also suggest that the relational construction of vulnerabilities is socially and organisationally mediated, calling for the development of social and organisational forms of mediation that may help carers deal with their vulnerabilities. Second, and rather counterintuitively with regard to the COVID-period, we question the negative valence usually associated with vulnerability and analyse how this affects ways of dealing with carers' vulnerabilities and the co-creation of care. Finally, following Gilson (2014), we propose an ambivalent, relational conception of vulnerability, considered as 'openness to affectation by' and offer some theoretical and practical implications. Theoretically, this conception also allows us to consider such openness as an ability that may nurture carers' 'response-ability'. It also allows us to develop specific relational ethics for and in care relationships. Practically, this re-conceptualisation may help carers better embrace and process their vulnerabilities, including responses to negative affectations following exposure to carees. It may also facilitate their 'reception' of carees, and help co-create and adapt responses to carees' calls, thus avoiding paternalistic responses. • COVID-19 brought to the fore carers' vulnerability. • The paper critically discusses conventional understandings of vulnerability. • It develops an ambivalent and relational conception of vulnerability. • It opens new ways of interpreting and dealing with carers' vulnerability. [ABSTRACT FROM AUTHOR]