Table 5. Probable area of origin of infection in 214 giardiasis patients presented in relation to assemblages.
| Sweden | Other European countries | Africa | Asiaa | Latin America | North America | Not stated | Total | |
| Assemblage A | 22 | 5 | 11 | 22 | 12 | 0 | 1 | 73 |
| Assemblage B | 42 | 11 | 20 | 43 | 9 | 3 | 0 | 128 |
| Assemblage A+B | 0 | 0 | 1 | 5 | 0 | 0 | 6 | |
| PCR negative | 2 | 0 | 3 | 1 | 1 | 0 | 0 | 7 |
| All cases | 66 | 16 | 35 | 71 | 22 | 3 | 1 | 214 |
a
Thirty-eight infections originating from Asia were acquired in India, and six of those were assemblage A, 28 assemblage B, and four assemblage A+B.