Table. Number of lymphogranuloma venereum (LGV) L2b variants identified in Chlamydia trachomatis DNA–positive rectal swabs in Amsterdam (2000–2005) and San Francisco (1979–1985).

Location	Year*	No. L2b /no. samples
Amsterdam	2000	2/67
	2001	4/28
	2002	40/127
	2003	69/276
	2004	52/297
	2005	26/161
San Francisco	1979	0/1
	1980	0/0
	1981	2/8
	1982	10/29
	1983	5/9
	1984	0/3
	1985	1/1

*In 2002 and 2003, 45 LGV L2b variants of 109 isolates have been described in detail (5).