Table 1.

Characteristics of Ill Returned Travelers

Variable	Total	Gastrointestinal Diagnoses	Febrile Illness	Dermatologic Diagnoses	Respiratory or Pharyngeal Diagnoses	Neurologic Diagnoses	GU, STI, and Gynecologic Diagnoses
Travelers, n (%)	42 173	14 346 (34.0)	9817 (23.3)	8227(19.5)	4613 (10.9)	724 (1.7)	1209 (2.9)
Diagnoses, n *	49 379	14 837	10 092	9669	4851	738	1260
Men, % †	49.9	44.5	58.9	47.8	51.7	50.6	37.2
Median age (range), y ‡	34 (0–95)	32 (0–92)	35 (0–91)	35 (0–95)	36 (0–93)	38 (0–88)	37 (0–88)
Travel reason, % §
Tourism	55.7	59.3	45.1	68.2	53.6	55.4	51.9
Business	13.6	14.2	14.2	9.5	17.0	12.8	13.9
Visiting friends/relatives	15.5	8.8	28.1	10.2	16.5	13.5	18.5
Missionary	11.6	13.9	8.7	8.4	9.2	13.5	13.1
Student	2.6	3.4	2.0	2.5	2.9	4.0	1.9
Region, % ∥
Australia and New Zealand	0.5	0.2	0.2	0.7	1.8	0.7	0.6
Southeast Asia	16.3	13.8	18.1	22.0	17.4	10.1	17.3
South-Central Asia	13.6	19.1	13.2	9.1	10.6	7.6	11.1
Northeast Asia	2.7	2.2	1.2	2.9	5.8	3.2	2.4
Europe	4.7	3.5	2.1	4.7	10.1	9.3	7.4
Latin America and Caribbean	19.2	20.4	14.3	27.3	14.2	23.6	15.6
Middle East and North Africa	6.1	8.7	2.5	5.6	5.2	6.5	6.1
North America	1.5	0.5	0.4	1.6	5.3	2.9	2.1
Oceania	0.8	0.7	1.0	1.2	0.9	1.4	0.5
Sub-Saharan Africa	26.7	22.5	42.6	19.5	20.6	22.3	26.9

GU = genitourinary; STI = sexually transmitted infection.

^*Some travelers had >1 diagnosis. Other diagnoses (adverse events to medication or vaccine, injury or musculoskeletal problems, opthalmologic or oral conditions, and psychological problems) are not shown (7932 diagnoses).

^†Data were missing in 36 cases (0.09%).

^‡Data were missing in 143 cases (0.3%).

^§Data were missing in 22 cases (0.05%), and alternate reason (military or medical tourism) accounted for 1%.

^∥Region of illness acquisition not ascertainable in 3299 cases (7.8%).