<prompt> Disease under international surveillance by WHO-MeaslesRelapsing feverTyphoidRubella  <response>: Ans. is b i.e., Relapsing fever At the international level, the following diseases are notifiable to WHO in Geneva under International health regulation -i Choleraii Plagueiii Yellow fever -These are notifiable diseases as well as under surveillance Few other diseases are also subjected to international surveillance -i Lause - born typhus feveriii Poliov Malariavn Salmonellosisii Relapsing feveriv Influenzavi Rabies 