widal's

Updated: May 2, 2025

To cite only one of these, there is Widal's agglutination test, by which the bacteriologist can usually make a diagnosis of typhoid fever far in advance of the time at which it could otherwise be distinguished.

John Lord - Beacon Lights of History, Volume 14 : The New Era; A Supplementary Volume, by Recent Writers, as Set Forth in the Preface and Table of Contents