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A special variant of a sugar molecule in the human nose might explain why pneumococcal infections are more common in humans than in other animals, researchers from Karolinska Institutet report in a study published in the journal Cell Host & Microbe. The discovery can help in the search for a broader vaccine able to protect against all types of pneumococci.

Brian Hodges, Professor at the University of Toronto, Canada, is awarded the 2016 Karolinska Institutet Prize for Research in Medical Education. His research has led to changes in educational practice, both scientific and practical, in the training of health professionals around the world.

The sympathetic nerve system has long been thought to respond the same regardless of the physical or emotional stimulus triggering it. However, in a new study from Karolinska Institutet published in the journal Nature Neuroscience, scientists show that the system comprises different neurons that regulate specific physiological functions, such as erectile muscle control.

Scientists at Karolinska Institutet in Sweden have developed a new technique that enables them to isolate single neurons from tissues and analyse the gene expression within.