Abstract
We traced the Chlamydia trachomatis L2b variant in Amsterdam and San Francisco. All recent lymphogranuloma venereum cases in Amsterdam were caused by the L2b variant. This variant was also present in the 1980s in San Francisco. Thus, the current "outbreak" is most likely a slowly evolving epidemic.
MeSH terms
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Chlamydia trachomatis / classification*
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Chlamydia trachomatis / genetics
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DNA, Bacterial / analysis
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Disease Outbreaks*
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Humans
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Lymphogranuloma Venereum / epidemiology*
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Lymphogranuloma Venereum / microbiology
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Netherlands / epidemiology
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Polymerase Chain Reaction / methods
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San Francisco / epidemiology
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Serotyping
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Time Factors