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In this regular feature on Breakthroughs, we highlight some of the most interesting reads in global health research from the past week.

May 12, 2025 by Hannah Sachs-Wetstone

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A new study found that LC16m8, an attenuated vaccinia virus strain originally developed in Japan for smallpox and later approved for mpox in 2022, induced strong responses and was safe in mice, monkeys, and healthy adult humans, potentially paving the way for the development of broadly effective mpox vaccines. The researchers vaccinated mice with LC16m8 to see how it protected them from mpox, later vaccinating monkeys and healthy adult volunteers as well to study their blood samples for immune responses and monitor them for safety. The results underscore LC16m8’s potential as a safe, effective, and scalable choice for mpox vaccination and also provide a blueprint for developing next-generation vaccines against other poxviruses and emerging pathogens.

Researchers from Abertay University and Bangor University have developed a prototype blood test that can detect up to five infections at the point of care, providing results quickly via a smartphone app. The tool, which was piloted using tuberculosis as a test case, showed high sensitivity and an ability to accurately identify cases. The speed and convenience, as well as the much lower cost compared to lab testing, demonstrate the test’s potential to be a game changer in ensuring access to timely testing and diagnosis, particularly in remote locations and other settings lacking laboratory infrastructure.  

The results of a Phase 3 clinical trial published last week found that Moderna’s combination COVID and flu shot outperformed existing individual vaccines for both viruses. The combination shot uses the same mRNA technology as Moderna’s approved vaccine for COVID-19, but there are no currently approved mRNA flu vaccines. In a trial that included more than 8,000 adults, the combination vaccines generated higher antibody levels for COVID and all but one influenza strain in trial participants who got the combination vaccine compared to those who got individual vaccines. A combination vaccine could help boost vaccination levels for both viruses, and an mRNA vaccine, in particular, could also speed up production because they are faster to make than current flu shots.

About the author

Hannah Sachs-WetstoneGHTC

Hannah supports advocacy and communications activities and member coordination for GHTC. Her role includes developing and disseminating digital communications, tracking member and policy news, engaging coalition members, and organizing meetings and events.Prior to joining GHTC,...read more about this author