A.H.E. Roukens en L.G. Visser

A.H.E. Roukens en L.G. Visser is a professional medical partnership based in Leiden, Netherlands, specializing in infectious diseases, vaccinology, and travel medicine. The entity is led by Dr. Anna Roukens and Professor Leo Visser, both of whom are highly regarded clinical researchers affiliated with the Leiden University Medical Center (LUMC). The partnership is primarily known for conducting investigator-initiated clinical trials that focus on optimizing vaccine administration, such as dose-sparing strategies and intradermal delivery techniques. Their research has significantly impacted international guidelines for yellow fever and rabies vaccinations. They operate as a specialized clinical research unit within the academic framework of the LUMC, providing expertise in tropical medicine and immunization protocols.