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In New York State, cases of the sexually transmitted diseases chlamydia and gonorrhea have increased for the past four years in a row, while cases of syphilis have declined for the first year after five consecutive years of growth.

Those are the three major sexually transmitted diseases reported by healthcare providers, according to the latest annual Sexually Transmitted Infections Surveillance Report from 2017.

According to the data, chlamydia is the most common STD in the state, with 116,843 diagnoses, followed by gonorrhea with 34,111 cases and syphilis with 6273 cases, statewide.

"These data represent only a portion of the true burden of STIs in NYS," notes the report. "Many cases of syphilis, gonorrhea and chlamydia go undiagnosed and unreported, and several highly prevalent STIs, such as human papilloma virus (HPV), genital herpes, and trichomoniasis, are not reported at all," for the purposes of the annual survey.

Below, you can find all 62 counties in New York ranked according to the rate of reported STI cases per 100,000 residents, using data for the three most notable STIs, according to the report.

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#62 Hamilton County

Rate of major STDs: 139

Total reported: 6

Syphilis rate: 7

Total cases: 1

Total male: 1

Total female: 0

Gonorrhea rate: 0

Total cases: 0

Total male: 0

Total female: 0

Chlamydia rate: 176

Total cases: 5

Total male: 2

Total female: 3

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#61 Tioga County

Rate of major STDs: 203

Total reported: 89

Syphilis rate: 5

Total cases: 2

Total male: 2

Total female: 0

Gonorrhea rate: 36

Total cases: 15

Total male: 7

Total female: 8

Chlamydia rate: 182

Total cases: 72

Total male: 24

Total female: 48

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#60 Franklin County

Rate of major STDs: 203

Total reported: 93

Syphilis rate: 3

Total cases: 1

Total male: 1

Total female: 0

Gonorrhea rate: 11

Total cases: 6

Total male: 3

Total female: 3

Chlamydia rate: 171

Total cases: 86

Total male: 29

Total female: 57

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#59 Wyoming County

Rate of major STDs: 216

Total reported: 79

Syphilis rate: 3

Total cases: 1

Total male: 1

Total female: 0

Gonorrhea rate: 14

Total cases: 5

Total male: 4

Total female: 1

Chlamydia rate: 198

Total cases: 73

Total male: 25

Total female: 48

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#58 Delaware County

Rate of major STDs: 219

Total reported: 92

Syphilis rate: 2

Total cases: 1

Total male: 1

Total female: 0

Gonorrhea rate: 15

Total cases: 6

Total male: 4

Total female: 2

Chlamydia rate: 201

Total cases: 85

Total male: 24

Total female: 61

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#57 Schuyler County

Rate of major STDs: 227

Total reported: 37

Syphilis rate: 20

Total cases: 3

Total male: 3

Total female: 0

Gonorrhea rate: 0

Total cases: 0

Total male: 0

Total female: 0

Chlamydia rate: 234

Total cases: 34

Total male: 12

Total female: 22

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#56 Essex County

Rate of major STDs: 232

Total reported: 81

Syphilis rate: 0

Total cases: 0

Total male: 0

Total female: 0

Gonorrhea rate: 10

Total cases: 3

Total male: 2

Total female: 1

Chlamydia rate: 248

Total cases: 78

Total male: 21

Total female: 57

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#55 Putnam County

Rate of major STDs: 245

Total reported: 219

Syphilis rate: 11

Total cases: 10

Total male: 10

Total female: 0

Gonorrhea rate: 29

Total cases: 27

Total male: 20

Total female: 7

Chlamydia rate: 209

Total cases: 182

Total male: 51

Total female: 131

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#54 Allegany County

Rate of major STDs: 245

Total reported: 103

Syphilis rate: 2

Total cases: 1

Total male: 1

Total female: 0

Gonorrhea rate: 25

Total cases: 10

Total male: 4

Total female: 6

Chlamydia rate: 169

Total cases: 92

Total male: 33

Total female: 59

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#53 Herkimer County

Rate of major STDs: 251

Total reported: 140

Syphilis rate: 1

Total cases: 1

Total male: 1

Total female: 0

Gonorrhea rate: 27

Total cases: 15

Total male: 9

Total female: 6

Chlamydia rate: 227

Total cases: 124

Total male: 38

Total female: 86

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#52 Yates County

Rate of major STDs: 259

Total reported: 57

Syphilis rate: 0

Total cases: 0

Total male: 0

Total female: 0

Gonorrhea rate: 31

Total cases: 5

Total male: 2

Total female: 3

Chlamydia rate: 217

Total cases: 52

Total male: 21

Total female: 31

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#51 Livingston County

Rate of major STDs: 263

Total reported: 154

Syphilis rate: 1

Total cases: 1

Total male: 0

Total female: 1

Gonorrhea rate: 15

Total cases: 10

Total male: 6

Total female: 4

Chlamydia rate: 189

Total cases: 143

Total male: 41

Total female: 102

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#50 Chenango County

Rate of major STDs: 286

Total reported: 125

Syphilis rate: 2

Total cases: 1

Total male: 1

Total female: 0

Gonorrhea rate: 19

Total cases: 8

Total male: 5

Total female: 3

Chlamydia rate: 284

Total cases: 116

Total male: 38

Total female: 78

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#49 Lewis County

Rate of major STDs: 288

Total reported: 68

Syphilis rate: 0

Total cases: 0

Total male: 0

Total female: 0

Gonorrhea rate: 21

Total cases: 5

Total male: 4

Total female: 1

Chlamydia rate: 279

Total cases: 63

Total male: 21

Total female: 42

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#48 St. Lawrence County

Rate of major STDs: 296

Total reported: 292

Syphilis rate: 4

Total cases: 4

Total male: 4

Total female: 0

Gonorrhea rate: 23

Total cases: 24

Total male: 13

Total female: 11

Chlamydia rate: 208

Total cases: 264

Total male: 87

Total female: 177

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#47 Washington County

Rate of major STDs: 323

Total reported: 179

Syphilis rate: 0

Total cases: 0

Total male: 0

Total female: 0

Gonorrhea rate: 34

Total cases: 20

Total male: 7

Total female: 13

Chlamydia rate: 296

Total cases: 159

Total male: 39

Total female: 120

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#46 Saratoga County

Rate of major STDs: 342

Total reported: 690

Syphilis rate: 6

Total cases: 12

Total male: 9

Total female: 3

Gonorrhea rate: 35

Total cases: 71

Total male: 43

Total female: 28

Chlamydia rate: 299

Total cases: 607

Total male: 179

Total female: 428

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#45 Steuben County

Rate of major STDs: 350

Total reported: 301

Syphilis rate: 3

Total cases: 3

Total male: 3

Total female: 0

Gonorrhea rate: 29

Total cases: 25

Total male: 17

Total female: 8

Chlamydia rate: 332

Total cases: 273

Total male: 72

Total female: 201

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#44 Madison County

Rate of major STDs: 350

Total reported: 225

Syphilis rate: 6

Total cases: 5

Total male: 5

Total female: 0

Gonorrhea rate: 33

Total cases: 24

Total male: 14

Total female: 10

Chlamydia rate: 250

Total cases: 196

Total male: 71

Total female: 125

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#43 Greene County

Rate of major STDs: 352

Total reported: 153

Syphilis rate: 4

Total cases: 2

Total male: 2

Total female: 0

Gonorrhea rate: 52

Total cases: 22

Total male: 11

Total female: 11

Chlamydia rate: 306

Total cases: 129

Total male: 43

Total female: 86

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#42 Oswego County

Rate of major STDs: 356

Total reported: 378

Syphilis rate: 2

Total cases: 2

Total male: 2

Total female: 0

Gonorrhea rate: 40

Total cases: 49

Total male: 35

Total female: 14

Chlamydia rate: 264

Total cases: 327

Total male: 119

Total female: 208

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#41 Seneca County

Rate of major STDs: 365

Total reported: 114

Syphilis rate: 9

Total cases: 3

Total male: 3

Total female: 0

Gonorrhea rate: 34

Total cases: 10

Total male: 6

Total female: 4

Chlamydia rate: 301

Total cases: 101

Total male: 30

Total female: 71

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#40 Cattaraugus County

Rate of major STDs: 373

Total reported: 257

Syphilis rate: 0

Total cases: 0

Total male: 0

Total female: 0

Gonorrhea rate: 70

Total cases: 46

Total male: 18

Total female: 28

Chlamydia rate: 302

Total cases: 211

Total male: 61

Total female: 150

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#39 Schoharie County

Rate of major STDs: 374

Total reported: 107

Syphilis rate: 2

Total cases: 1

Total male: 1

Total female: 0

Gonorrhea rate: 43

Total cases: 13

Total male: 9

Total female: 4

Chlamydia rate: 294

Total cases: 93

Total male: 25

Total female: 68

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#38 Warren County

Rate of major STDs: 378

Total reported: 221

Syphilis rate: 7

Total cases: 4

Total male: 3

Total female: 1

Gonorrhea rate: 28

Total cases: 15

Total male: 6

Total female: 9

Chlamydia rate: 378

Total cases: 202

Total male: 131

Total female: 221

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#37 Genesee County

Rate of major STDs: 391

Total reported: 203

Syphilis rate: 7

Total cases: 4

Total male: 4

Total female: 0

Gonorrhea rate: 60

Total cases: 32

Total male: 14

Total female: 18

Chlamydia rate: 319

Total cases: 167

Total male: 55

Total female: 112

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#36 Ontario County

Rate of major STDs: 393

Total reported: 386

Syphilis rate: 2

Total cases: 2

Total male: 2

Total female: 0

Gonorrhea rate: 68

Total cases: 66

Total male: 37

Total female: 29

Chlamydia rate: 313

Total cases: 318

Total male: 109

Total female: 209

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#35 Fulton County

Rate of major STDs: 394

Total reported: 189

Syphilis rate: 4

Total cases: 2

Total male: 1

Total female: 1

Gonorrhea rate: 44

Total cases: 21

Total male: 8

Total female: 13

Chlamydia rate: 361

Total cases: 166

Total male: 43

Total female: 123

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#34 Cayuga County

Rate of major STDs: 397

Total reported: 278

Syphilis rate: 1

Total cases: 1

Total male: 1

Total female: 0

Gonorrhea rate: 30

Total cases: 22

Total male: 9

Total female: 13

Chlamydia rate: 363

Total cases: 255

Total male: 76

Total female: 179

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#33 Clinton County

Rate of major STDs: 398

Total reported: 291

Syphilis rate: 11

Total cases: 9

Total male: 9

Total female: 0

Gonorrhea rate: 8

Total cases: 6

Total male: 5

Total female: 1

Chlamydia rate: 297

Total cases: 276

Total male: 96

Total female: 180

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#32 Rockland County

Rate of major STDs: 401

Total reported: 1,099

Syphilis rate: 10

Total cases: 31

Total male: 29

Total female: 2

Gonorrhea rate: 41

Total cases: 124

Total male: 90

Total female: 34

Chlamydia rate: 307

Total cases: 944

Total male: 293

Total female: 651

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#31 Wayne County

Rate of major STDs: 406

Total reported: 328

Syphilis rate: 3

Total cases: 3

Total male: 3

Total female: 0

Gonorrhea rate: 80

Total cases: 62

Total male: 20

Total female: 42

Chlamydia rate: 336

Total cases: 263

Total male: 81

Total female: 182

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#30 Columbia County

Rate of major STDs: 411

Total reported: 229

Syphilis rate: 17

Total cases: 10

Total male: 10

Total female: 0

Gonorrhea rate: 60

Total cases: 30

Total male: 19

Total female: 11

Chlamydia rate: 389

Total cases: 189

Total male: 68

Total female: 121

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#29 Chemung County

Rate of major STDs: 415

Total reported: 319

Syphilis rate: 12

Total cases: 10

Total male: 9

Total female: 1

Gonorrhea rate: 46

Total cases: 35

Total male: 18

Total female: 17

Chlamydia rate: 350

Total cases: 274

Total male: 98

Total female: 176

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#28 Ulster County

Rate of major STDs: 434

Total reported: 708

Syphilis rate: 8

Total cases: 16

Total male: 15

Total female: 1

Gonorrhea rate: 75

Total cases: 124

Total male: 70

Total female: 54

Chlamydia rate: 345

Total cases: 568

Total male: 196

Total female: 372

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#27 Cortland County

Rate of major STDs: 438

Total reported: 189

Syphilis rate: 17

Total cases: 6

Total male: 6

Total female: 0

Gonorrhea rate: 20

Total cases: 12

Total male: 8

Total female: 4

Chlamydia rate: 274

Total cases: 171

Total male: 70

Total female: 101

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#26 Suffolk County

Rate of major STDs: 439

Total reported: 5,828

Syphilis rate: 11

Total cases: 151

Total male: 139

Total female: 12

Gonorrhea rate: 55

Total cases: 760

Total male: 501

Total female: 259

Chlamydia rate: 352

Total cases: 4,917

Total male: 1,527

Total female: 3,390

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#25 Nassau County

Rate of major STDs: 451

Total reported: 5,446

Syphilis rate: 14

Total cases: 168

Total male: 156

Total female: 12

Gonorrhea rate: 58

Total cases: 717

Total male: 524

Total female: 193

Chlamydia rate: 365

Total cases: 4,561

Total male: 1,607

Total female: 2,954

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#24 Otsego County

Rate of major STDs: 478

Total reported: 265

Syphilis rate: 6

Total cases: 3

Total male: 3

Total female: 0

Gonorrhea rate: 45

Total cases: 26

Total male: 13

Total female: 13

Chlamydia rate: 296

Total cases: 236

Total male: 96

Total female: 140

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#23 Orleans County

Rate of major STDs: 482

Total reported: 179

Syphilis rate: 0

Total cases: 0

Total male: 0

Total female: 0

Gonorrhea rate: 82

Total cases: 31

Total male: 16

Total female: 15

Chlamydia rate: 390

Total cases: 148

Total male: 47

Total female: 101

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#22 Broome County

Rate of major STDs: 488

Total reported: 856

Syphilis rate: 2

Total cases: 4

Total male: 4

Total female: 0

Gonorrhea rate: 85

Total cases: 162

Total male: 81

Total female: 81

Chlamydia rate: 336

Total cases: 690

Total male: 229

Total female: 461

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#21 Oneida County

Rate of major STDs: 491

Total reported: 1,008

Syphilis rate: 2

Total cases: 5

Total male: 5

Total female: 0

Gonorrhea rate: 76

Total cases: 162

Total male: 83

Total female: 79

Chlamydia rate: 386

Total cases: 841

Total male: 265

Total female: 576

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#20 Dutchess County

Rate of major STDs: 503

Total reported: 1,345

Syphilis rate: 22

Total cases: 61

Total male: 52

Total female: 9

Gonorrhea rate: 74

Total cases: 210

Total male: 136

Total female: 75

Chlamydia rate: 360

Total cases: 1,074

Total male: 375

Total female: 699

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#19 Richmond County

Rate of major STDs: 512

Total reported: 2,148

Syphilis rate: 15

Total cases: 70

Total male: 63

Total female: 7

Gonorrhea rate: 80

Total cases: 356

Total male: 232

Total female: 122

Chlamydia rate: 384

Total cases: 1,722

Total male: 569

Total female: 1,151

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#18 Sullivan County

Rate of major STDs: 529

Total reported: 355

Syphilis rate: 13

Total cases: 9

Total male: 7

Total female: 2

Gonorrhea rate: 113

Total cases: 75

Total male: 45

Total female: 30

Chlamydia rate: 417

Total cases: 271

Total male: 79

Total female: 192

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#17 Westchester County

Rate of major STDs: 538

Total reported: 4626

Syphilis rate: 16

Total cases: 142

Total male: 129

Total female: 13

Gonorrhea rate: 77

Total cases: 672

Total male: 453

Total female: 219

Chlamydia rate: 428

Total cases: 3,812

Total male: 1,280

Total female: 2,532

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#16 Montgomery County

Rate of major STDs: 543

Total reported: 236

Syphilis rate: 7.6

Total cases: 3

Total male: 2

Total female: 1

Gonorrhea rate: 82

Total cases: 35

Total male: 14

Total female: 21

Chlamydia rate: 466

Total cases: 198

Total male: 47

Total female: 151

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#15 Tompkins County

Rate of major STDs: 545

Total reported: 521

Syphilis rate: 10

Total cases: 11

Total male: 11

Total female: 0

Gonorrhea rate: 63

Total cases: 87

Total male: 66

Total female: 21

Chlamydia rate: 242

Total cases: 423

Total male: 159

Total female: 264

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#14 Orange County

Rate of major STDs: 578

Total reported: 1,887

Syphilis rate: 14

Total cases: 51

Total male: 42

Total female: 9

Gonorrhea rate: 80

Total cases: 294

Total male: 184

Total female: 110

Chlamydia rate: 402

Total cases: 1,542

Total male: 518

Total female: 1,024

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#13 Chautauqua County

Rate of major STDs: 617

Total reported: 722

Syphilis rate: 2

Total cases: 2

Total male: 2

Total female: 0

Gonorrhea rate: 144

Total cases: 171

Total male: 76

Total female: 95

Chlamydia rate: 444

Total cases: 549

Total male: 176

Total female: 373

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#12 Rensselaer County

Rate of major STDs: 658

Total reported: 937

Syphilis rate: 14

Total cases: 23

Total male: 18

Total female: 5

Gonorrhea rate: 110

Total cases: 176

Total male: 103

Total female: 73

Chlamydia rate: 458

Total cases: 738

Total male: 246

Total female: 492

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#11 Niagara County

Rate of major STDs: 750

Total reported: 1,430

Syphilis rate: 4

Total cases: 8

Total male: 8

Total female: 0

Gonorrhea rate: 215

Total cases: 409

Total male: 202

Total female: 207

Chlamydia rate: 531

Total cases: 1,013

Total male: 285

Total female: 728

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#10 Onondaga County

Rate of major STDs: 846

Total reported: 3,497

Syphilis rate: 9

Total cases: 40

Total male: 37

Total female: 3

Gonorrhea rate: 170

Total cases: 773

Total male: 409

Total female: 364

Chlamydia rate: 572

Total cases: 2,684

Total male: 895

Total female: 1,789

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#9 Schenectady County

Rate of major STDs: 890

Total reported: 1,218

Syphilis rate: 14

Total cases: 22

Total male: 17

Total female: 5

Gonorrhea rate: 219

Total cases: 321

Total male: 153

Total female: 168

Chlamydia rate: 597

Total cases: 875

Total male: 284

Total female: 591

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#8 Albany County

Rate of major STDs: 894

Total reported: 2,481

Syphilis rate: 28

Total cases: 85

Total male: 68

Total female: 17

Gonorrhea rate: 156

Total cases: 519

Total male: 300

Total female: 219

Chlamydia rate: 521

Total cases: 1,877

Total male: 668

Total female: 1,209

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#7 Queens County

Rate of major STDs: 909

Total reported: 18,784

Syphilis rate: 34

Total cases: 844

Total male: 794

Total female: 50

Gonorrhea rate: 150

Total cases: 3,514

Total male: 2,626

Total female: 876

Chlamydia rate: 642

Total cases: 14,426

Total male: 5,937

Total female: 8,468

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#6 Jefferson County

Rate of major STDs: 922

Total reported: 914

Syphilis rate: 3.7

Total cases: 5

Total male: 5

Total female: 0

Gonorrhea rate: 90

Total cases: 122

Total male: 62

Total female: 60

Chlamydia rate: 570

Total cases: 787

Total male: 325

Total female: 462

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#5 Erie County

Rate of major STDs: 935

Total reported: 7,693

Syphilis rate: 9

Total cases: 83

Total male: 72

Total female: 11

Gonorrhea rate: 229

Total cases: 2,039

Total male: 1,089

Total female: 950

Chlamydia rate: 620

Total cases: 5,571

Total male: 1,916

Total female: 3,655

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#4 Monroe County

Rate of major STDs: 1,054

Total reported: 6,979

Syphilis rate: 14

Total cases: 100

Total male: 96

Total female: 4

Gonorrhea rate: 257

Total cases: 1,891

Total male: 1,095

Total female: 796

Chlamydia rate: 661

Total cases: 4,988

Total male: 1,854

Total female: 3,134

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#3 Kings County

Rate of major STDs: 1,292

Total reported: 29,371

Syphilis rate: 49

Total cases: 1,398

Total male: 1,321

Total female: 77

Gonorrhea rate: 245

Total cases: 6,827

Total male: 5,203

Total female: 1,615

Chlamydia rate: 795

Total cases: 21,146

Total male: 8,793

Total female: 12,344

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#2 New York County

Rate of major STDs: 1,693

Total reported: 100,315

Syphilis rate: 95

Total cases: 1,782

Total male: 1,721

Total female: 61

Gonorrhea rate: 410

Total cases: 7,849

Total male: 6,899

Total female: 945

Chlamydia rate: 940

Total cases: 16,678

Total male: 9,469

Total female: 7,200

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#1 Bronx County

Rate of major STDs: 1,903

Total reported: 23,713

Syphilis rate: 71

Total cases: 1,050

Total male: 965

Total female: 85

Gonorrhea rate: 318

Total cases: 4,945

Total male: 3,282

Total female: 1649

Chlamydia rate: 1,128

Total cases: 17,718

Total male: 6,357

Total female: 11,340

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