Volume 16, Number 2—February 2010
Research
Imported Methicillin-Resistant Staphylococcus aureus, Sweden
Mikael Stenhem
, Åke Örtqvist, Håkan Ringberg, Leif Larsson, Barbro Olsson-Liljequist, Sara Hæggman, Mats Kalin, and Karl Ekdahl
, Åke Örtqvist, Håkan Ringberg, Leif Larsson, Barbro Olsson-Liljequist, Sara Hæggman, Mats Kalin, and Karl Ekdahl
Table 2
Imported cases of MRSA acquisition and disease among immigrants, Sweden, 2000–2003*
| Country of origin | No. immigrants† | No. with MRSA acquisition (no. with MRSA disease) | Risk/100,000 immigrants (95% CI) |
|---|---|---|---|
| Malta | 21 | 1 (0) | 4,761.9 (120.5–23,816.0) |
| Kazakhstan | 933 | 4 (2) | 428.7 (116.9–1,094.0) |
| South Africa | 556 | 2 (1) | 359.7 (43.6–1,293.3) |
| Sudan | 360 | 1 (1) | 277.8 (7.0–1,537.9) |
| Italy | 1,382 | 2 (1) | 144.7 (17.5–521.8) |
| Ecuador | 995 | 1 (1) | 100.5 (2.5–558.6) |
| Lebanon | 2,100 | 2 (0) | 95.2 (11.5–343.6) |
| Mongolia | 1,055 | 1 (1) | 94.8 (2.4–527.0) |
| Japan | 1,274 | 1 (0) | 78.5 (2.0–436.6) |
| The Philippines | 1,335 | 1 (1) | 74.9 (1.9–416.6) |
| Afghanistan | 6,166 | 4 (3) | 64.9 (17.7–166.0) |
| United States | 4,094 | 2 (0) | 48.9 (5.9–176.4) |
| Former Yugoslavia | 45,587 | 20 (10) | 43.8 (26.8–67.8) |
| Germany | 6,564 | 2 (0) | 30.5 (3.7–110.0) |
| Poland | 3,658 | 1 (0) | 27.3 (0.7–152.2) |
| Iran | 7,856 | 2 (1) | 25.5 (3.1–91.9) |
| Thailand | 4,883 | 1 (0) | 20.5 (0.5–114.0) |
| United Kingdom | 5,306 | 1 (0) | 18.9 (0.47.7–105.0) |
| Turkey | 5,568 | 1 (1) | 18.0 (0.5–100.0) |
| Russia | 8,254 | 1 (0) | 12.1 (0.3–67.5) |
| Somalia | 8,546 | 1 (1) | 11.7 (0.3–65.2) |
| Iraq | 43,730 | 4 (3) | 9.1 (2.5–23.4) |
| Other countries | 191,302 | 0 | – |
| Total | 351,525 | 56 (27) | 15.9 (12.0–20.7) |
*MRSA, methicillin-resistant Staphylococcus aureus; CI, confidence interval.
†Included in the immigration figures were persons who received a residence permit because of family ties, European Economic Area convention, and labor permits; visiting students; and asylum seekers per country of citizenship.
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