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Al Leslie

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Faculty Member, Africa Health Research Institute; Wellcome Trust Senior Research Fellow, UCL

Of the more than 1.6 million TB deaths recorded every year, more than 75,000 are in South Africa alone. Noah Seelam/AFP via Getty Images

October 29, 2021

How COVID‑19 threatens to undo years of progress in TB control

Indira Govender, Africa Health Research Institute (AHRI); Alison Grant, Africa Health Research Institute (AHRI); Al Leslie, UCL; Emily B. Wong, Africa Health Research Institute (AHRI), and Yumna Moosa, Africa Health Research Institute (AHRI)

Progress against tuberculosis has long been inadequate to reach the target of elimination by 2030. But before the COVID-19 pandemic the world was making steady progress in diagnosing and treating TB.

TB is still a leading cause of death around the world. Sanjay Baid/EPA-EFE

November 9, 2019

We are gaining against TB but knowledge gaps remain

Emily B. Wong, University of KwaZulu-Natal; Al Leslie, UCL, and Mohlopheni Jackson Marakalala, UCL

Many of the most fundamental aspects of TB disease remain unknown. For example, after exposure to the organism that causes TB, why do only some people get infected and only some of those fall ill?

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Location: Durban, South Africa
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Joined October 29, 2019