Nobel Prize in Physiology or Medicine laureate Thomas Huckle Weller is scheduled to visit Costa Rica and deliver a lecture. The event will take place at the Hospital Nacional de Niños (National Children’s Hospital). The visit commemorates the 50th anniversary of a previous engagement in the country. Details regarding the specific topic of the lecture have not been released. Weller was awarded the Nobel Prize in 1954 for his work on the effects of viruses on cells. This visit offers a unique opportunity for the Costa Rican medical community to engage with a prominent figure in virology.