11.03.20

Alice Street and Ann Kelly » Counting coronavirus: delivering diagnostic certainty in a global emergency

Why diagnostic tests are at the heart of the global coronavirus response and why they fail to provide certainty

11.03.20

Alice Street and Ann Kelly » The unknown unknowns: diagnosing the new coronavirus

As countries across the world struggle to contain the spread of the novel coronavirus, rapid and accurate diagnosis has rarely been so important. Or so controversial.

30.05.19

Alice Street » The limits of medical heroism: reflections on Getting to Zero

Alice reflects on Getting to Zero: A Doctor and a Diplomat on the Ebola Frontline a harrowing account of what it was like to work at the forefront of an epidemic.

25.03.19

Eva Vernooij » Ebola Afterlives

Eva is currently in Sierra Leone conducting ethnographic fieldwork, tracing legacy of the diagnostic interventions that were deployed during the Ebola outbreak and researching how current local and international efforts to strengthen laboratory infrastructure in Sierra Leone are transforming the health system. Read about here findings.

2.07.18

Shona Jane Lee » The Essential Diagnostics List: bridging the gap between device and diagnosis

One of the problems of addressing something so broad and monolithic a problem as infrastructural diagnostic capacity, is galvanising political commitment. Could the Essential Diagnostics List provide stewardship for encouraging governments to undertake crucial lab strengthening?

29.06.18

Shona Jane Lee » Reimagining point of care testing and the role of the central laboratory

For years, funders and policy makers have been making the case for the development of point-of-care tests that can work in places without laboratory infrastructure. Access was often prioritised over accuracy in these debates. But one of the most striking common themes to run through the presentations at McGill was the recognition of the continued importance of and need for investment in effective centralised laboratory infrastructure in low and middle income countries. Any focus on rapid diagnostic tests (RDTs) or disease specific solutions were more often seated within discussions surrounding their position within a wider assemblage of socio-technical ecosystems.

28.06.18

Shona Jane Lee » Integrating devices into diagnostic ecosystems

It is clear that we have reached a point where we are to some extent ‘tool ready’ to address major diseases such as ‘the big three’ (HIV, TB, and malaria), some Neglected Tropical Diseases (NTDs), and even universal threats of Antimicrobial resistance (AMR) and pandemic diseases. In many cases, we have the technology, but not the systems to deliver them where they are most needed. By now it is evident that “science and technology is not the issue. It's the rest of the ecosystem; the neglect, the under-investment, that countries don’t identify these as a problem worth investing in" (Prof Madhukar Pai).

28.06.18

Shona Jane Lee » Where landscapes collide: adapting global health diagnostics to local contexts

Beyond the regulatory barriers to bringing devices to market, another challenge is how to negotiate the trade-offs between generalisability and local relevance. At one end of the spectrum products must be broadly applicable enough to have a viable market, while at the other we need to make sure tests and interventions are locally adapted and suited to regional needs and contexts. “Say you want to do a febrile panel” commented one discussant during a Q&A session, “in every country that is something different. Do you make a broad one and not make much money? Or multiple specific ones?” Participants largely agreed that many of the devices needed are already developed and exist, but are not adapted to local contexts and fail to reach the frontline in many LMICs where they are needed. As Dr Cédric Yansouni foregrounded his presentation on the role of centralised reference labs, the dichotomy of “point of care versus point of ‘can’ ” need not be mutually exclusive goals, we can and ought to strive for both.

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