Rapid epidemic spread of HIV type 1 subtype A1 among intravenous drug users in Latvia and slower spread of subtype B among other risk groups.
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T. Leitner | B. Rozentāle | L. Vīksna | D. Balode | Tatjana Kolupajeva | V. Konicheva | A. Ferdats | I. Dievberna | T. Kolupajeva