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The hospital in Old Fangak, South Sudan is extremely remote; it’s a place that can only be accessed by boat, using the river Nile. The airstrip has been flooded for the past four years – flooding that has also destroyed crops and drowned cattle. Since April 2023, 501 cases of hepatitis E have been treated at the hospital, and 21 people – mainly women – have died. Now, doctors have launched a vaccination campaign that targets women and girls in communities that are up to eight hours by canoe from the nearest healthcare facility. Matt Fox, Professor of Global Health Epidemiology at Boston University, tells Claudia Hammond about the challenge of distributing vaccinations in such a challenging environment.

Matt also brings news of a study that suggests that up to 10% of patients diagnosed with dementia might actually have cirrhosis of the liver. Cirrhosis can cause cognitive impairment with a very similar presentation to dementia but, crucially, it’s reversible. A study of military veterans in the USA indicates that screening could prevent misdiagnosis.

36% of all human rabies deaths in the world happen in India - 20,000 deaths every year. 97% of these deaths happen through infected dog bites. India has the largest number of stray dogs in the world and also the largest number of stray dog attacks - around 17 million dog bites annually. Chhavi Sachdev reports from Jaipur on an organisation that believes they’re on their way to making the city rabies free.

As Chinese new year is celebrated around the world, we look at a foodstuff that is synonymous with the celebrations – eggs. Minchao Jin is a Clinical Associate Professor at NYU Silver School of Social Work in Shanghai, and he tells Claudia about his work assessing whether a hard-boiled egg a day can help the nutrition of schoolchildren in poor, rural parts of China.

And it’s a frustrating week for journalist Mike Powell as he continues his journey towards a kidney transplant.

Presenter: Claudia Hammond
Producer: Ben Motley