Migration and health are deeply connected. On the micro-level, the level of individual migrants and the members of their immediate networks, past research has assessed how migrants can act as epidemiological bridges and can expose the family in the home countries to illnesses contracted abroad. Other research has assessed how both financial and social capital (monetary and social remittances) can improve the health outcomes of migrants and their families by enabling greater expenditures on health inputs or helping individuals make more informed health decisions. On the meso-level, the level of communities and institutions, the link between migration and health can involve health systems and how migrants navigate them transnationally or cross-culturally, particularly when it comes to organising the care of origin-country kin from the destination country. On the macro-level, the level of societies and policies, migration can represent either a challenge or a boon to the resilience or adequacy of healthcare infrastructure; it can undermine the efficiency of systems when doctors and nurses who have been locally educated work abroad, but it can also bolster it with programmes that encourage the (temporary) return of skilled nationals. Migration policies can also inadvertently address health and healthcare systems, particularly when it concerns that active recruitment and foreign deployment of healthcare workers. These potential links are just a few among many, and they highlight the many complex ways in which migration interacts with personal health and well-being, healthcare institutions and infrastructures, and health policy. Within this research line, migration and health are explored across these different levels.
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