In 1906, transmission by the Aedes mosquitos was confirmed, and in 1907 dengue was the second disease (after yellow fever) that was shown to be caused by a virus.
No ano 1906 confirmouse que os mosquitos do xénero Aedes transmitían o dengue, e no ano 1907 o dengue foi a segunda enfermidade trala febre amarela que se demostrou estar causada por un virus.