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U.S. Department of Health and Human Services

The Indian Health Service continues to work closely with our tribal partners to coordinate a comprehensive public health response to COVID-19. Read the latest info.

Seasonal Influenza

IHS Surveillance Reports

Below are seasonal influenza reports from previous flu seasons.

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2018 - 2019 Seasonal Influenza Surveillance Reports

NewWeek 11 IHS Influenza Surveillance Summary [PDF - 854 KB]
Week 10 IHS Influenza Surveillance Summary [PDF - 531 KB]
Week 9 IHS Influenza Surveillance Summary [PDF - 857 KB]
Week 8 IHS Influenza Surveillance Summary [PDF - 484 KB]
Week 7 IHS Influenza Surveillance Summary [PDF - 481 KB]
Week 6 IHS Influenza Surveillance Summary [PDF - 541 KB]
Week 5 IHS Influenza Surveillance Summary [PDF - 778 KB]
Week 4 IHS Influenza Surveillance Summary [PDF - 482 KB]
Week 48 IHS Influenza Surveillance Summary [PDF - 582 KB]
Week 47 IHS Influenza Surveillance Summary [PDF - 553 KB]
Week 46 IHS Influenza Surveillance Summary [PDF - 804 KB]
Week 45 IHS Influenza Surveillance Summary [PDF - 836 KB]
Week 44 IHS Influenza Surveillance Summary [PDF - 831 KB]
Week 43 IHS Influenza Surveillance Summary [PDF - 839 KB]
Week 42 IHS Influenza Surveillance Summary [PDF - 827 KB]
Week 41 IHS Influenza Surveillance Summary [PDF - 803 KB]
Week 40 IHS Influenza Surveillance Summary [PDF - 827 KB]

2017 - 2018 Seasonal Influenza Surveillance Reports

Week 17 IHS Influenza Surveillance Summary [PDF - 526 KB]
Week 16 IHS Influenza Surveillance Summary [PDF - 550 KB]
Week 15 IHS Influenza Surveillance Summary [PDF - 541 KB]
Week 14 IHS Influenza Surveillance Summary [PDF - 550 KB]
Week 13 IHS Influenza Surveillance Summary [PDF - 541 KB]
Week 12 IHS Influenza Surveillance Summary [PDF - 645 KB]
Week 11 IHS Influenza Surveillance Summary [PDF - 589 KB]
Week 10 IHS Influenza Surveillance Summary [PDF - 599 KB]
Week 9 IHS Influenza Surveillance Summary [PDF - 591 KB]
Week 8 IHS Influenza Surveillance Summary [PDF - 629 KB]
Week 7 IHS Influenza Surveillance Summary [PDF - 526 KB]
Week 6 IHS Influenza Surveillance Summary [PDF - 550 KB]
Week 5 IHS Influenza Surveillance Summary [PDF - 541 KB]
Week 4 IHS Influenza Surveillance Summary [PDF - 612 KB]
Week 3 IHS Influenza Surveillance Summary [PDF - 583 KB]
Week 2 IHS Influenza Surveillance Summary [PDF - 583 KB]
Week 1 IHS Influenza Surveillance Summary [PDF - 520 KB]
Week 52 IHS Influenza Surveillance Summary [PDF - 513 KB]
Week 51 IHS Influenza Surveillance Summary [PDF - 501 KB]
Week 50 IHS Influenza Surveillance Summary [PDF - 500 KB]
Week 49 IHS Influenza Surveillance Summary [PDF - 507 KB]
Week 48 IHS Influenza Surveillance Summary [PDF - 498 KB]
Week 47 IHS Influenza Surveillance Summary [PDF - 757 KB]
Week 46 IHS Influenza Surveillance Summary [PDF - 601 KB]
Week 45 IHS Influenza Surveillance Summary [PDF - 524 KB]
Week 44 IHS Influenza Surveillance Summary [PDF - 925 KB]
Week 43 IHS Influenza Surveillance Summary [PDF - 497 KB]
Week 42 IHS Influenza Surveillance Summary [PDF - 471 KB]
Week 41 IHS Influenza Surveillance Summary [PDF - 469 KB]
Week 40 IHS Influenza Surveillance Summary [PDF - 463 KB]

2016 - 2017 Seasonal Influenza Surveillance Reports

Week 17 IHS Influenza Surveillance Summary [PDF - 590 KB]
Week 16 IHS Influenza Surveillance Summary [PDF - 521 KB]
Week 15 IHS Influenza Surveillance Summary [PDF - 225 KB]
Week 14 IHS Influenza Surveillance Summary [PDF - 227 KB]
Week 13 IHS Influenza Surveillance Summary [PDF - 235 KB]
Week 12 IHS Influenza Surveillance Summary [PDF - 234 KB]
Week 11 IHS Influenza Surveillance Summary [PDF - 227 KB]
Week 10 IHS Influenza Surveillance Summary [PDF - 223 KB]
Week 9 IHS Influenza Surveillance Summary [PDF - 230 KB]
Week 8 IHS Influenza Surveillance Summary [PDF - 221 KB]
Week 7 IHS Influenza Surveillance Summary [PDF - 252 KB]
Week 6 IHS Influenza Surveillance Summary [PDF - 227 KB]
Week 5 IHS Influenza Surveillance Summary [PDF - 212 KB]
Week 4 IHS Influenza Surveillance Summary [PDF - 253 KB]
Week 3 IHS Influenza Surveillance Summary [PDF - 209 KB]
Week 2 IHS Influenza Surveillance Summary [PDF - 218 KB]
Week 1 IHS Influenza Surveillance Summary [PDF - 208 KB]

Week 52 IHS Influenza Surveillance Summary [PDF - 206 KB]
Week 51 IHS Influenza Surveillance Summary [PDF - 214 KB]
Week 50 IHS Influenza Surveillance Summary [PDF - 216 KB]
Week 49 IHS Influenza Surveillance Summary [PDF - 234 KB]
Week 48 IHS Influenza Surveillance Summary [PDF - 234 KB]
Week 47 IHS Influenza Surveillance Summary [PDF - 209 KB]
Week 46 IHS Influenza Surveillance Summary [PDF - 226 KB]
Week 45 IHS Influenza Surveillance Summary [PDF - 222 KB]
Week 44 IHS Influenza Surveillance Summary [PDF - 202 KB]
Week 43 IHS Influenza Surveillance Summary [PDF - 210 KB]
Week 42 IHS Influenza Surveillance Summary [PDF - 208 KB]
Week 41 IHS Influenza Surveillance Summary [PDF - 208 KB]
Week 40 IHS Influenza Surveillance Summary [PDF - 201 KB]

2015 - 2016 Seasonal Influenza Surveillance Reports

Week 15 IHS Influenza Surveillance Summary [PDF - 158 KB]
Week 14 IHS Influenza Surveillance Summary [PDF - 206 KB]
Week 13 IHS Influenza Surveillance Summary [PDF - 196 KB]
Week 12 IHS Influenza Surveillance Summary [PDF - 200 KB]
Week 11 IHS Influenza Surveillance Summary [PDF - 197 KB]
Week 10 IHS Influenza Surveillance Summary [PDF - 509 KB]
Week 9 IHS Influenza Surveillance Summary [PDF - 196 KB]
Week 8 IHS Influenza Surveillance Summary [PDF - 239 KB]
Week 7 IHS Influenza Surveillance Summary [PDF - 214 KB]
Week 6 IHS Influenza Surveillance Summary [PDF - 212 KB]
Week 5 IHS Influenza Surveillance Summary [PDF - 200 KB]
Week 4 IHS Influenza Surveillance Summary [PDF - 211 KB]
Week 3 IHS Influenza Surveillance Summary [PDF - 229 KB]
Week 2 IHS Influenza Surveillance Summary [PDF - 246 KB]
Week 1 IHS Influenza Surveillance Summary [PDF - 246 KB]

Week 52 IHS Influenza Surveillance Summary [PDF - 218 KB]
Week 51 IHS Influenza Surveillance Summary [PDF - 202 KB]
Week 50 IHS Influenza Surveillance Summary [PDF - 190 KB]
Week 49 IHS Influenza Surveillance Summary [PDF - 215 KB]
Week 48 IHS Influenza Surveillance Summary [PDF - 206 KB]

2014 - 2015 Seasonal Influenza Surveillance Reports

Week 15 IHS Influenza Surveillance Summary [PDF - 204 KB]
Week 14 IHS Influenza Surveillance Summary [PDF - 281 KB]
Week 13 IHS Influenza Surveillance Summary [PDF - 203 KB]
Week 12 IHS Influenza Surveillance Summary [PDF - 202 KB]
Week 11 IHS Influenza Surveillance Summary [PDF - 201 KB]
Week 10 IHS Influenza Surveillance Summary [PDF - 198 KB]
Week 9 IHS Influenza Surveillance Summary [PDF - 208 KB]
Week 8 IHS Influenza Surveillance Summary [PDF - 200 KB]
Week 7 IHS Influenza Surveillance Summary [PDF - 198 KB]
Week 6 IHS Influenza Surveillance Summary [PDF - 202 KB]
Week 5 IHS Influenza Surveillance Summary [PDF - 196 KB]
Week 4 IHS Influenza Surveillance Summary [PDF - 196 KB]
Week 3 IHS Influenza Surveillance Summary [PDF - 195 KB]
Week 2 IHS Influenza Surveillance Summary [PDF - 197 KB]
Week 1 IHS Influenza Surveillance Summary [PDF - 197 KB]

Week 52 IHS Influenza Surveillance Summary [PDF - 195 KB]
Week 51 IHS Influenza Surveillance Summary [PDF - 204 KB]
Week 50 IHS Influenza Surveillance Summary [PDF - 194 KB]
Week 49 IHS Influenza Surveillance Summary [PDF - 233 KB]
Week 48 IHS Influenza Surveillance Summary [PDF - 258 KB]
Week 47 IHS Influenza Surveillance Summary [PDF - 224 KB]
Week 46 IHS Influenza Surveillance Summary [PDF - 272 KB]
Week 45 IHS Influenza Surveillance Summary [PDF - 375 KB]
Week 44 IHS Influenza Surveillance Summary [PDF - 321 KB]
Week 43 IHS Influenza Surveillance Summary [PDF - 250 KB]
Week 42 IHS Influenza Surveillance Summary [PDF - 257 KB]
Week 41 IHS Influenza Surveillance Summary [PDF - 390 KB]
Week 40 IHS Influenza Surveillance Summary [PDF - 388 KB]

2013 - 2014 Seasonal Influenza Surveillance Reports

Week 15 IHS Influenza Surveillance Summary [PDF-228 KB]
Week 14 IHS Influenza Surveillance Summary [PDF-307 KB]
Week 13 IHS Influenza Surveillance Summary [PDF-239 KB]
Week 12 IHS Influenza Surveillance Summary [PDF-223 KB]
Week 11 IHS Influenza Surveillance Summary [PDF-491 KB]
Week 10 IHS Influenza Surveillance Summary [PDF-329 KB]
Week 9 IHS Influenza Surveillance Summary [PDF-250 KB]
Week 8 IHS Influenza Surveillance Summary [PDF-289 KB]
Week 7 IHS Influenza Surveillance Summary [PDF-236 KB]
Week 6 IHS Influenza Surveillance Summary [PDF-301 KB]
Week 5 IHS Influenza Surveillance Summary [PDF-358 KB]
Week 4 IHS Influenza Surveillance Summary [PDF-230 KB]
Week 3 IHS Influenza Surveillance Summary [PDF-204 KB]
Week 2 IHS Influenza Surveillance Summary [PDF-292 KB]
Week 1 IHS Influenza Surveillance Summary [PDF-230 KB]

Week 52 IHS Influenza Surveillance Summary [PDF-171 KB]
Week 51 IHS Influenza Surveillance Summary [PDF-197 KB]
Week 50 IHS Influenza Surveillance Summary [PDF-197 KB]
Week 49 IHS Influenza Surveillance Summary [PDF-193 KB]
Week 48 IHS Influenza Surveillance Summary [PDF-197 KB]
Week 47 IHS Influenza Surveillance Summary [PDF-192 KB]
Week 46 IHS Influenza Surveillance Summary [PDF-192 KB]
Week 45 IHS Influenza Surveillance Summary [PDF-192 KB]
Week 44 IHS Influenza Surveillance Summary [PDF-203 KB]
Week 43 IHS Influenza Surveillance Summary [PDF-158 KB]
Week 42 IHS Influenza Surveillance Summary [PDF-193 KB]
Week 41 IHS Influenza Surveillance Summary [PDF-190 KB]
Week 40 IHS Influenza Surveillance Summary [PDF-151 KB]

2012 - 2013 Seasonal Influenza Surveillance Reports

Week 15 IHS Influenza Surveillance Summary [PDF-152 KB]
Week 14 IHS Influenza Surveillance Summary [PDF-152 KB]
Week 13 IHS Influenza Surveillance Summary [PDF-151 KB]
Week 12 IHS Influenza Surveillance Summary [PDF-151 KB]
Week 11 IHS Influenza Surveillance Summary [PDF-151 KB]
Week 10 IHS Influenza Surveillance Summary [PDF-150 KB]
Week 9 IHS Influenza Surveillance Summary [PDF-147 KB]
Week 8 IHS Influenza Surveillance Summary [PDF-155 KB]
Week 7 IHS Influenza Surveillance Summary [PDF-157 KB]
Week 6 IHS Influenza Surveillance Summary [PDF-128 KB]
Week 5 IHS Influenza Surveillance Summary [PDF-155 KB]
Week 4 IHS Influenza Surveillance Summary [PDF-156 KB]
Week 3 IHS Influenza Surveillance Summary [PDF-146 KB]
Week 2 IHS Influenza Surveillance Summary [PDF-155 KB]
Week 1 IHS Influenza Surveillance Summary [PDF-153 KB]

Week 52 IHS Influenza Surveillance Summary [PDF-737 KB]
Week 51 IHS Influenza Surveillance Summary [PDF-154 KB]
Week 50 IHS Influenza Surveillance Summary [PDF-147 KB]
Week 49 IHS Influenza Surveillance Summary [PDF-144 KB]
Week 48 IHS Influenza Surveillance Summary [PDF-139 KB]
Week 47 IHS Influenza Surveillance Summary [PDF-146 KB]
Week 46 IHS Influenza Surveillance Summary [PDF-140 KB]
Week 45 IHS Influenza Surveillance Summary [PDF-196 KB]
Week 44 IHS Influenza Surveillance Summary [PDF-203 KB]
Week 43 IHS Influenza Surveillance Summary [PDF-762 KB]
Week 42 IHS Influenza Surveillance Summary [PDF-195 KB]
Week 41 IHS Influenza Surveillance Summary [PDF-179 KB]
Week 40 IHS Influenza Surveillance Summary [PDF-174 KB]

2011 - 2012 Seasonal Influenza Surveillance Reports

Week 21 IHS Influenza Surveillance Summary [PDF-174 KB]
Week 20 IHS Influenza Surveillance Summary [PDF-180 KB]
Week 19 IHS Influenza Surveillance Summary [PDF-178 KB]
Week 18 IHS Influenza Surveillance Summary [PDF-111 KB]
Week 17 IHS Influenza Surveillance Summary [PDF-105 KB]
Week 16 IHS Influenza Surveillance Summary [PDF-175 KB]
Week 15 IHS Influenza Surveillance Summary [PDF-173 KB]
Week 14 IHS Influenza Surveillance Summary [PDF-177 KB]
Week 13 IHS Influenza Surveillance Summary [PDF-179 KB]
Week 12 IHS Influenza Surveillance Summary [PDF-177 KB]
Week 11 IHS Influenza Surveillance Summary [PDF-184 KB]
Week 10 IHS Influenza Surveillance Summary [PDF-182 KB]
Week 9 IHS Influenza Surveillance Summary [PDF-205 KB]
Week 8 IHS Influenza Surveillance Summary [PDF-200 KB]
Week 7 IHS Influenza Surveillance Summary [PDF-200 KB]
Week 6 IHS Influenza Surveillance Summary [PDF-198 KB]
Week 5 IHS Influenza Surveillance Summary [PDF-200 KB]
Week 4 IHS Influenza Surveillance Summary [PDF-205 KB]
Week 3 IHS Influenza Surveillance Summary [PDF-195 KB]
Week 2 IHS Influenza Surveillance Summary [PDF-203 KB]
Week 1 IHS Influenza Surveillance Summary [PDF-193 KB]

Week 51 IHS Influenza Surveillance Summary [PDF-178 KB]
Week 50 IHS Influenza Surveillance Summary [PDF-191 KB]
Week 49 IHS Influenza Surveillance Summary [PDF-113 KB]
Week 48 IHS Influenza Surveillance Summary [PDF-178 KB]
Week 47 IHS Influenza Surveillance Summary [PDF-184 KB]
Week 46 IHS Influenza Surveillance Summary [PDF-188 KB]
Week 45 IHS Influenza Surveillance Summary [PDF-218 KB]
Week 44 IHS Influenza Surveillance Summary [PDF-183 KB]
Week 43 IHS Influenza Surveillance Summary [PDF-177 KB]
Week 42 IHS Influenza Surveillance Summary [PDF-115 KB]
Week 41 IHS Influenza Surveillance Summary [PDF-188 KB]
Week 40 IHS Influenza Surveillance Summary [PDF-183 KB]

2010 - 2011 Seasonal Influenza Surveillance Reports

Week 15 IHS Influenza Surveillance Summary [PDF-332 KB]
Week 14 IHS Influenza Surveillance Summary [PDF-333 KB]
Week 13 IHS Influenza Surveillance Summary [PDF-179 KB]
Week 12 IHS Influenza Surveillance Summary [PDF-177 KB]
Week 11 IHS Influenza Surveillance Summary [PDF-162 KB]
Week 10 IHS Influenza Surveillance Summary [PDF-162 KB]
Week 9 IHS Influenza Surveillance Summary [PDF-208 KB]
Week 8 IHS Influenza Surveillance Summary [PDF-170 KB]
Week 7 IHS Influenza Surveillance Summary [PDF-250 KB]
Week 6 IHS Influenza Surveillance Summary [PDF-189 KB]
Week 5 IHS Influenza Surveillance Summary [PDF-212 KB]
Week 4 IHS Influenza Surveillance Summary [PDF-176 KB]
Week 3 IHS Influenza Surveillance Summary [PDF-162 KB]
Week 2 IHS Influenza Surveillance Summary [PDF-162 KB]
Week 1 IHS Influenza Surveillance Summary [PDF-154 KB]

Week 52 IHS Influenza Surveillance Summary [PDF-157 KB]
Week 51 IHS Influenza Surveillance Summary [PDF-158 KB]
Week 50 IHS Influenza Surveillance Summary [PDF-137 KB]
Week 49 IHS Influenza Surveillance Summary [PDF-256 KB]
Week 48 IHS Influenza Surveillance Summary [PDF-197 KB]

2009 - 2010 Influenza A (H1N1) Surveillance Reports

Week 18-21 IHS H1N1 Surveillance Summary [PDF-144 KB]
Week 17 IHS H1N1 Surveillance Summary [PDF-114 KB]
Week 16 IHS H1N1 Surveillance Summary [PDF-126 KB]
Week 15 IHS H1N1 Surveillance Summary [PDF-127 KB]
Week 14 IHS H1N1 Surveillance Summary [PDF-97 KB]
Week 13 IHS H1N1 Surveillance Summary [PDF-96 KB]
Week 12 IHS H1N1 Surveillance Summary [PDF-129 KB]
Week 11 IHS H1N1 Surveillance Summary [PDF-124 KB]
Week 10 IHS H1N1 Surveillance Summary [PDF-155 KB]
Week 9 IHS H1N1 Surveillance Summary [PDF-173 KB]
Week 8 IHS H1N1 Surveillance Summary [PDF-175 KB]
Week 7 IHS H1N1 Surveillance Summary [PDF-178 KB]
Week 6 IHS H1N1 Surveillance Summary [PDF-173 KB]
Week 5 IHS H1N1 Surveillance Summary [PDF-174 KB]
Week 4 IHS H1N1 Surveillance Summary [PDF-155 KB]
Week 3 IHS H1N1 Surveillance Summary [PDF-179 KB]
Week 2 IHS H1N1 Surveillance Summary [PDF-77 KB]
Week 1 IHS H1N1 Surveillance Summary [PDF-166 KB]

Week 52 IHS H1N1 Surveillance Summary [PDF-84 KB]
Week 51 IHS H1N1 Surveillance Summary [PDF-82 KB]
Week 50 IHS H1N1 Surveillance Summary [PDF-91 KB]
Week 49 IHS H1N1 Surveillance Summary [PDF-40 KB]
Week 48 IHS H1N1 Surveillance Summary [PDF-87 KB]
Week 47 IHS H1N1 Surveillance Summary [PDF-155 KB]
Week 46 IHS H1N1 Surveillance Summary [PDF-231 KB]
Week 45 IHS H1N1 Surveillance Summary [PDF-231 KB]
Week 44 IHS H1N1 Surveillance Summary [PDF-149 KB]
Week 43 IHS H1N1 Surveillance Summary [PDF-264 KB]
Week 42 IHS H1N1 Surveillance Summary [PDF-186 KB]
Week 41 IHS H1N1 Surveillance Summary [PDF-64 KB]
Week 40 IHS H1N1 Surveillance Summary [PDF-78 KB]
Week 39 IHS H1N1 Surveillance Summary [PDF-46 KB]

IHS Seasonal Influenza Vaccination Coverage Reports

2017-2018 Influenza Vaccine Coverage Report (Patients and HCP) [PDF - 908 KB]
2016-2017 Influenza Vaccine Coverage Report (Patients and HCP) [PDF - 967 KB]
2015-2016 Influenza Vaccine Coverage Report (Patients and HCP) [PDF - 432 KB]
2014-2015 Influenza Vaccine Coverage Report (Patients and HCP) [PDF - 303 KB]
2013-2014 Influenza Vaccine Coverage Report (Patients and HCP) [PDF - 322 KB]
2012-2013 Influenza Vaccine Coverage Report (Patients and HCP) [PDF - 193 KB]
2011-2012 Influenza Vaccine Coverage Report (Patients and HCP) [PDF - 317 KB]
2011-2012 Healthcare Personnel Influenza Vaccination Report [PDF - 124 KB]
2010-2011 Healthcare Personnel Influenza Vaccine Coverage report [PDF-65 KB]
2009-2010 Healthcare Personnel Influenza Vaccine Coverage Report [PDF-46 KB]
2008-2009 Healthcare Personnel Influenza Vaccine Coverage Report [PDF-54 KB]

IHS Influenza Awareness System - Guidance Documents

Troubleshooting ILI Exports [PDF - 61 KB]
Email Notification [PDF - 32 KB]
ILI/H1N1 Surveillance Export (APCL v3.0 Patch 29) Detailed Logic and Design Final [PDF - 369 KB]

Facility Data Exports & Reports

If your facility participates in the U.S. Outpatient Influenza-like Illness Surveillance Network (ILINet) and you would like to request an ILI report you can provide directly to the state for ILINet reporting purposes, send an email indicating so to HQ_OPHS_Disease_Surveillance@ihs.gov.

Area Contacts for Data Exports & Reports

Area	Contact
Alaska Area	Tania Smallenberg
Albuquerque Area	Dr. Leonard Thomas
Bemidji Area	Debra Smith
Billings Area	Erik Chosa
Billings Area	Jonnie Sheehan
Billings Area	Dawn Oleyte
Billings Area	Carol Strasheim
California Area	Susan Ducore
Great Plains Area	Greg Welch
Nashville Area	Dr. Harry Brown
Navajo Area	Genevieve Notah
Oklahoma Area	Julie Erb-Alvarez
Phoenix Area	Dr. Dan Huber
Portland Area	Dr. Tom Weiser
Portland Area	Dr. Stephen Rudd
Portland Area	Celeste Davis
Tucson Area	Dr. Rodrigo Villar
Tucson Area	Tricia Logan

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