Background With the aim to support further understanding of scaling up and sustaining digital health, we explore digital health solutions that have or are anticipated to reach national scale in South Africa: the Perinatal Problem Identification Programme (PPIP) and Child Healthcare Problem Identification Programme (Child PIP) (mortality audit reporting and visualisation tools), MomConnect (a direct to consumer maternal messaging and feedback service) and CommCare (a community health worker data capture and decision-support application). Results A framework integrating complexity and scaling up processes was used to conceptually orient the study. Findings are presented by case in four domains: value proposition, actors, technology and organisational context. The scale and use of PPIP and Child PIP were driven by ‘champions’; clinicians who developed technically simple tools to digitise clinical audit data. Top-down political will at the national level drove the scaling of MomConnect, supported by ongoing financial and technical support from donors and technical partners. Donor preferences played a significant role in the selection of CommCare as the platform to digitise community health worker service information, with a focus on HIV and TB. A key driver of scale across cases is leadership that recognises and advocates for the value of the digital health solution. The technology need not be complex but must navigate the complexity of operating within an overburdened and fragmented South African health system. Inadequate and unsustained investment from donors and government, particularly in human resource capacity and robust monitioring and evaluation, continue to threaten the sustainability of digital health solutions. Conclusions There is no single pathway to achieving scale up or sustainability, and there will be successes and challenges regardless of the configuration of the domains of value proposition, technology, actors and organisational context. While scaling and sustaining digital solutions has its technological challenges, perhaps more complex are the idiosyncratic factors and nature of the relationships between actors involved. Scaling up and sustaining digital solutions need to account for the interplay of the various technical and social dimensions involved in supporting digital solutions to succeed, particularly in health systems that are themselves social and political dynamic systems.

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For over a decade, the global health community has advanced policy engagement with migration and health, as reflected in multiple global-led initiatives. These initiatives have called on governments to provide universal health coverage to all people, regardless of their migratory and/or legal status. South Africa is a middle-income country that experiences high levels of cross-border and internal migration, with the right to health enshrined in its Constitution. A National Health Insurance Bill also commits the South African public health system to universal health coverage, including for migrant and mobile groups. We conducted a study of government policy documents (from the health sector and other sectors) that in our view should be relevant to issues of migration and health, at national and subnational levels in South Africa. We did so to explore how migration is framed by key government decision makers, and to understand whether positions present in the documents support a migrant-aware and migrant-inclusive approach, in line with South Africa’s policy commitments. This study was conducted between 2019 and 2021, and included analysis of 227 documents, from 2002–2019. Fewer than half the documents identified (101) engaged directly with migration as an issue, indicating a lack of prioritisation in the policy discourse. Across these documents, we found that the language or discourse across government levels and sectors focused mainly on the potential negative aspects of migration, including in policies that explicitly refer to health. The discourse often emphasised the prevalence of cross-border migration and diseases, the relationship between immigration and security risks, and the burden of migration on health systems and other government resources. These positions attribute blame to migrant groups, potentially fuelling nationalist and anti-migrant sentiment and largely obscuring the issue of internal mobility, all of which could also undermine the constructive engagement necessary to support effective responses to migration and health. We provide suggestions on how to advance engagement with issues of migration and health in order for South Africa and countries of a similar context in regard to migration to meet the goal of inclusion and equity for migrant and mobile groups.

COVID-19 ushered in public health guidelines restricting face-to-face contact and movement, and encouraging social distancing, all of which had implications for conducting field-based research during the pandemic. For qualitative researchers, this meant adapting conventional face-to-face methods and resorting to virtual variations of the same in adherence to stipulated COVID-19 health protocols. Virtual qualitative research introduced new concerns and logistical challenges. This paper presents critical reflections on experiences of conducting qualitative research during the pandemic, from the perspectives of a cohort of postgraduate fellows. A critical reflection framework was utilised to explore fellows experiences and meanings ascribed to their experiences. The research findings illustrate three overarching processes which, in turn, shaped ways of thinking, doing and being. First, explicating tacit assumptions about their anticipated research journeys and interrogating these. Second, shifts in power differentials demonstrated by role reversal between researchers and participants, and between fellows and supervisors as they re-negotiated their positionalities in virtual research spaces. Third, context specific sense-making, in which - narrative accounts support the notion of knowledge as a social construct. Our findings have important implications for qualitative research practice. Our study documents methodological nuances and social implications of conducting qualitative research during COVID-19 and in a-South African context. In addition, our study exemplifies the use of critical reflection in qualitative research practice in the specific context of postgraduate academic research. Further, our study illustrates how the use of technology shapes qualitative research protocol development, data collection and analysis phases.