Inside London School of Hygiene & Tropical Medicine's largest research partnership: University College London

Behind London School of Hygiene & Tropical Medicine's research output sits a defining relationship: 3,599 co-authored works with University College London (United Kingdom) in the five years to 2025, the university's single largest collaboration.

It anchors an unusually connected research base: 996 collaborating institutions across 78 countries, producing 48,970 joint works over the window, with international co-authors on 66% of output.

The collaborative work travels: its field-weighted citation impact stands at 3.19, where the world average is 1.0.

The Research Collaboration Index, the first global account of how universities actually collaborate, publishes its first full edition on Tuesday 15 September at 09:00 UK.

Every figure derives from the open global research record and is checkable at source.