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US aid cuts halt HIV vaccine research in South Africa, with global impact

ABC News's profile
Original Story by ABC News
July 14, 2025
US aid cuts halt HIV vaccine research in South Africa, with global impact

Context:

HIV vaccine research in South Africa has been significantly impacted by the withdrawal of US funding, specifically from the BRILLIANT program, as part of broader foreign aid cuts under the Trump administration. This decision halted the imminent clinical trials of an HIV vaccine in a region where HIV prevalence is the highest globally, leading to financial and operational setbacks for researchers. The cuts have resulted in the loss of crucial jobs and placed the country's capability to contribute to global health research in jeopardy, given its historical role in important medical advancements. With South Africa's government struggling to replace the lost funding, the health and research sectors face severe challenges, threatening progress in HIV and other critical healthcare areas such as tuberculosis. The situation underscores the broader impact on other countries similarly reliant on US aid, highlighting the struggle to maintain research momentum and healthcare support in affected regions.

Dive Deeper:

  • The withdrawal of $46 million in US funding has brought the BRILLIANT program and its promising HIV vaccine research to a halt, affecting South Africa's ability to combat one of its most prevalent health challenges.

  • South Africa's historical contribution to global medical research, such as its role in COVID-19 vaccine testing and genomic surveillance, underscores the significance of its current predicament due to the funding cuts.

  • The abrupt cessation of US aid has led to job losses among researchers and healthcare workers, with over 100 research positions at risk and 8,000 health workers already laid off, impacting the delivery of essential health services.

  • The financial void left by the US aid cuts is challenging to fill, with South Africa's government and institutions scrambling to secure alternative funding to continue vital research and healthcare initiatives.

  • The impact extends beyond South Africa, affecting other countries like Zambia, Nigeria, and Ivory Coast, which are also dependent on US funding, although these nations are attempting to increase their own resources to mitigate the effects.

  • The loss of US funding threatens to increase HIV infections and limit access to medication, as fewer healthcare workers are available to manage and support patients in need, particularly in rural and vulnerable communities.

  • Efforts by UNAIDS and other international bodies highlight the global stakes involved, as the research and healthcare sectors in Africa strive to adapt to these financial and operational challenges without the robust support previously provided by US aid.

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