The latest health news, including microRNA researchers winning this year's Nobel Prize in Physiology or Medicine. What's the big deal with these tiny molecules?

And Marburg virus has been detected in hospitals across Rwanda for the first time. The virus causes a haemorrhagic fever similar to Ebola.

References

• Medicine Nobel awarded for gene-regulating 'microRNAs'
• The Nobel Prize in Physiology or Medicine 2024
• Marburg Outbreak in Rwanda Situation Summary