TABLE 1.

Incidence Rates of Testing and Diagnoses of Syphilis, Chlamydia, Gonorrhea, and HIV During the January 1, 2017–December 31, 2020 Period

	n (Individuals)	Total Person-Years	Tests	Test Rate Per 100,000 Person-Years	Percent Change in Test Rate*	Diagnoses	Diagnoses Rate Per 100,000 Person-Years	Percent Change in Diagnoses Rate*
Syphilis
January 1, 2017–December 31, 2017	4,193,334	3,682,191	324,391	8810	N/A	2327	63	N/A
January 1, 2018–December 31, 2018	4,337,202	3,809,580	351,512	9227	5	2650	70	10
January 1, 2019–February 29, 2020	4,609,736	4,526,681	468,765	10,356	12	3507	77	11
March 1, 2020–December 31, 2020	4,327,412	3,318,538	261,231	7872	−24	3056	92	19
Chlamydia
January 1, 2017–December 31, 2017	4,193,334	3,682,191	534,177	14,507	N/A	18,247	496	N/A
January 1, 2018–December 31, 2018	4,337,202	3,809,580	575,767	15,114	4	19,843	521	5
January 1, 2019–February 29, 2020	4,609,736	4,526,681	715,087	15,797	5	23,815	526	1
March 1, 2020–December 31, 2020	4,327,412	3,318,538	344,776	10,389	−34	12,167	367	−30
Gonorrhea
January 1, 2017–December 31, 2017	4,193,334	3,682,191	534,177	14,507	N/A	4439	121	N/A
January 1, 2018–December 31, 2018	4,337,202	3,809,580	575,768	15,114	4	4563	120	−1
January 1, 2019–February 29, 2020	4,609,736	4,526,681	715,082	15,797	5	5202	115	−4
March 1, 2020–December 31, 2020	4,327,412	3,318,538	344,668	10,386	−34	3638	110	−5
HIV
January 1, 2017–December 31, 2017	4,193,334	3,682,191	366,329	9949	N/A	538	15	N/A
January 1, 2018–December 31, 2018	4,337,202	3,809,580	392,993	10,316	4	532	14	−4
January 1, 2019–February 29, 2020	4,609,736	4,526,681	490,785	10,842	5	622	14	−2
March 1, 2020–December 31, 2020	4,327,412	3,318,538	257,013	7745	−29	347	10	−24

*Change in rate compared with prior time period.

N/A indicates not available.