For the film "Raiders of The Lost Ark", what was Harrison Ford sick with during the filming of the Cairo chase?

Harrison Ford was sick with dysentery during the filming of the Cairo chase scene in "Raiders of the Lost Ark." This bacterial infection causes inflammation of the intestines, leading to symptoms like severe diarrhea, abdominal pain, and dehydration. Despite his illness, Ford carried on with the intense action sequence, making it even more impressive considering the challenging circumstances he faced.