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MMWR Morb Mortal Wkly Rep. 1991 May 17;40(19):314-5, 321-3.

Primary and secondary syphilis--United States, 1981-1990.


Since 1985, the number of primary and secondary (P&S) syphilis cases reported in the United States has been increasing. In 1990, 50,223 cases were reported, a 9% increase from 1989. The incidence of 20 cases per 100,000 persons, a 75% increase from 1985, is the highest since 1949. This report summarizes the incidence of P&S syphilis during 1990 and provides comparison data from 1981-1990.

[Indexed for MEDLINE]

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