Table 1.

Reported diagnosis according to the area of travel in travelers returning to Japan

Primary diagnosis	Numberof patients	East Asia N=26	Southeast Asia N=116	South Asia N=25	Central Asia N=3	Africa N=30	OceaniaN=3	North America N=7	South America N=4	Europe N=3
Gastrointestinal infections	81	13	42	8	2	8	2	4	1	0
Dengue fever	26	0	24	2	0	0	0	0	0	0
Animal bites	26	4	10	10	1	1	0	0	0	0
Acute respiratory infections	23	2	11	2	0	4	1	2	1	0
Influenza	7	1	4	0	0	2	0	0	0	0
Pneumonia	4	0	2	1	0	0	0	0	0	1
Skin problems	3	0	1	0	0	0	0	1	0	1
Malaria falciparum	3	0	0	0	0	3	0	0	0	0
Typhoid and paratyphoid fever	2	0	0	0	0	0	0	0	2	0
Infectious mononucleosis	2	0	2	0	0	0	0	0	0	0
Streptococcal infections	2	0	2	0	0	0	0	0	0	0
Rubella	2	1	1	0	0	0	0	0	0	0
Hepatitis A	2	0	2	0	0	0	0	0	0	0
Measles	1	0	1	0	0	0	0	0	0	0
Urinary tract infection	1	0	0	0	0	0	0	0	0	1
Chikungunya fever	1	0	1	0	0	0	0	0	0	0
Tuberculosis	1	1	0	0	0	0	0	0	0	0
Acute appendicitis	1	1	0	0	0	0	0	0	0	0
Diverticulitis	1	0	1	0	0	0	0	0	0	0
Duodenal cancer	1	0	1	0	0	0	0	0	0	0
Unknown	19	1	9	2	0	7	0	0	0	0
Total	209	26	116	25	3	30	3	7	4	3