Table 2. Epidemiological study.

Geographical origin	Situation in Spain	Cultural level	Symptoms	Eating habits	Meat origin
38 (97.4%) South-Africa	30 (76.9%) Undocumented	19 (48.7%) Illiterate or only can read and write	23 (58.9%) abdominal pain	34 (87.2%) ate lamb (10 liver and only 2 ate it raw)	19 (48.7%) no veterinary control
14 Senegal
7 Mauritania	9 (23.1%) legalized	11 (28.2%) Primary School	7 (18%) occasional diarrhoea	4 (10.2%) unknown data	16 (41%) authorized shops
6 Guinea-Bissau			7 (18%) no symptoms	1 (2.6%) ate veal
6 Mali		5 (12.8%) High School studies	2 (5.1%) unknown data		4 (10.3%) unknown data
3 Gambia
1 Nigeria		4 (10.3%) unknown data
1 (2.6%) Morocco