Reportable Disease Trends
SCHD receives reportable disease data from health care providers, hospitals, and schools for residents of Saginaw County. We utilize the Michigan Disease Surveillance System (MDSS) to accept case reports, follow-up on treatment of cases, and report disease data to the Michigan Department of Health and Human Services (MDHHS) and the Centers for Disease Control and Prevention (CDC). The following is a five year disease reporting history of reportable diseases for Saginaw County.
- MDSS Report: Confirmed Reportable Diseases for 2021 - 2025
- Case Types: Individual and Aggregate
- Case Status: Confirmed and probable
- Counties: Saginaw
| Disease Group | Disease | 2025 | 2024 | 2023 | 2022 | 2021 |
|---|---|---|---|---|---|---|
| COVID19/MIS | Novel Coronavirus COVID-19 | 1,227 | 3,483 | 4,793 | 25,149 | 25,337 |
| Carbon Monoxide Poisoning | Carbon Monoxide Poisoning | 2 | 9 | 10 | 0 | 0 |
| Foodborne | Amebiasis | 0 | 0 | 1 | 0 | 0 |
| Foodborne | Campylobacter | 44 | 32 | 28 | 29 | 28 |
| Foodborne | Crytosporidiosis | 2 | 7 | 10 | 7 | 6 |
| Foodborne | Giardiasis | 15 | 15 | 17 | 6 | 8 |
| Foodborne | Listeriousis | 0 | 0 | 2 | 0 | 1 |
| Foodborne | Norovirus | 81 | 55 | 17 | 108 | 98 |
| Foodborne | Salmonellosis | 16 | 22 | 28 | 18 | 23 |
| Foodborne | Shiga toxin-producing Echerichia coli --(STEC) | 9 | 4 | 8 | 5 | 7 |
| Foodborne | Shigellosis | 4 | 2 | 1 | 5 | 4 |
| Foodborne | Yersinia enteritis | 4 | 7 | 1 | 6 | 2 |
| Foodborne | Foodborne Subtotal | 175 | 144 | 113 | 184 | 177 |
| Influenza | Flu Like Disease | 6,283 | 4,183 | 2,499 | 3,927 | 2,514 |
| Influenza | Influenza | 2,093 | 1,545 | 559 | 1,938 | 96 |
| Influenza | Respiratory Syncytial Virus | 25 | 1 | 0 | 1 | 0 |
| Influenza | Influenza Subtotal | 8,401 | 5,729 | 3,058 | 5,866 | 2,610 |
| Meningtis | Meningitis - Aseptic | 8 | 16 | 11 | 5 | 1 |
| Meningtis | Meningitis - Bacterial Other | 2 | 3 | 4 | 5 | 0 |
| Meningtis | Meningococcal Disease | 1 | 1 | 0 | 1 | 0 |
| Meningtis | Streptococcus pneumoniae | 39 | 26 | 26 | 38 | 17 |
| Meningtis | Meningtis Subtotal | 50 | 46 | 41 | 49 | 18 |
| Mpox | Mpox | 0 | 0 | 0 | 1 | 0 |
| Other | Blastomycosis | 2 | 0 | 1 | 0 | 0 |
| Other | CP-CRE (Pre-2020) | 0 | 0 | 0 | 0 | 0 |
| Other | CPO | 8 | 9 | 5 | 8 | 5 |
| Other | Candida auris | 32 | 4 | 1 | 0 | 0 |
| Other | Coccidioidomycosis | 2 | 2 | 3 | 2 | 4 |
| Other | Creutzfeldt-Jakob Disease | 2 | 1 | 0 | 0 | 0 |
| Other | Cryptococcosis | 1 | 2 | 1 | 0 | 1 |
| Other | Cyclosporiasis | 0 | 1 | 1 | 0 | 2 |
| Other | Encephalitis, Post Other | 0 | 1 | 0 | 1 | 0 |
| Other | Gastrointestinal Illness | 2,213 | 2,383 | 2,803 | 3,829 | 2,420 |
| Other | Guillain-Barre Syndrome | 6 | 4 | 2 | 7 | 2 |
| Other | Head Lice | 119 | 57 | 71 | 113 | 78 |
| Other | Hemolytic Uremic Syndrome | 0 | 0 | 1 | 0 | 0 |
| Other | Histoplasmosis | 7 | 11 | 4 | 4 | 1 |
| Other | Kawasaki | 2 | 0 | 3 | 0 | 1 |
| Other | Legionellosis | 10 | 7 | 10 | 9 | 13 |
| Other | Psittacosis | 1 | 1 | 0 | 1 | 1 |
| Other | Staphylococcus Aureus Infect. | 0 | 1 | 0 | 0 | 0 |
| Other | Strep Throat | 192 | 290 | 379 | 249 | 368 |
| Other | Streptococcal Dis, Inv, Grp A | 21 | 12 | 14 | 7 | 6 |
| Other | Toxic Shock | 0 | 0 | 0 | 0 | 1 |
| Other | Trachoma | 0 | 0 | 0 | 0 | 0 |
| Other | Unusual Outbreak or Occurrence | 5 | 152 | 53 | 18 | 82 |
| Other | VRSA | 0 | 0 | 1 | 0 | 0 |
| Other | Vibriosis - Non Cholera | 0 | 0 | 0 | 1 | 0 |
| Other | Other Subtotal | 2,624 | 2,938 | 3,353 | 4,249 | 2,985 |
| Rabies | Animal | 0 | 0 | 1 | 0 | 0 |
| Rabies | Rabies: Potential Exposure & PEP | 30 | 39 | 41 | 28 | 31 |
| Rabies | Rabies: Potential Exposure & PEP(Pre-2019)* | 0 | 0 | 0 | 0 | 0 |
| Rabies | Rabies Subtotal | 30 | 39 | 42 | 28 | 31 |
| STD | Chlamydia (Genital) | 1,000 | 1,090 | 1,059 | 1,187 | 1,248 |
| STD | Gonorrhea | 400 | 449 | 488 | 658 | 654 |
| STD | Lymphogranuloma venereum | 0 | 0 | 0 | 0 | 0 |
| STD | Syphilis - All Forms | 48 | 38 | 33 | 46 | 18 |
| STD | STD Subtotal | 1,448 | 1,576 | 1,580 | 1,891 | 1,920 |
| Tuberculosis | Latent Tuberculosis Infection | 65 | 67 | 64 | 51 | 78 |
| Tuberculosis | Nontuberculous Mycobacterium | 6 | 11 | 9 | 2 | 4 |
| Tuberculosis | Tuberculosis | 0 | 2 | 3 | 1 | 5 |
| Tuberculosis | Tuberculosis Subtotal | 71 | 80 | 76 | 54 | 87 |
| VPD | Chickenpox (Varicella) | 2 | 1 | 2 | 5 | 23 |
| VPD | H. influenzae Disease - Inv. | 11 | 23 | 16 | 25 | 10 |
| VPD | Mumps | 1 | 0 | 1 | 0 | 0 |
| VPD | Pertussis | 5 | 7 | 0 | 0 | 0 |
| VPD | Shingles | 8 | 10 | 6 | 7 | 4 |
| VPD | Varicella-Zoster Infection, Unspecified | 1 | 0 | 4 | 1 | 4 |
| VPD | Vaccine Preventative Disease Subtotal | 28 | 41 | 29 | 38 | 21 |
| Vectorborne | Anaplasmosis | 6 | 2 | 0 | 0 | 0 |
| Vectorborne | Ehrlichiosis, all types | 1 | 0 | 0 | 0 | 0 |
| Vectorborne | Lyme Disease | 10 | 6 | 3 | 3 | 2 |
| Vectorborne | Malaria | 0 | 1 | 0 | 0 | 0 |
| Vectorborne | Rickettsial Disease - Spotted Fever | 0 | 0 | 0 | 0 | 0 |
| Vectorborne | West Nile | 0 | 0 | 0 | 0 | 0 |
| Vectorborne | Vectorborne Subtotal | 17 | 9 | 3 | 3 | 2 |
| Viral Hepatitis | Hepatitis A | 0 | 1 | 1 | 1 | 0 |
| Viral Hepatitis | Hepatitis B, Acute | 0 | 0 | 1 | 1 | 1 |
| Viral Hepatitis | Hepatitis B, Chronic | 6 | 7 | 9 | 4 | 6 |
| Viral Hepatitis | Hepatitis C, Chronic | 45 | 54 | 42 | 48 | 52 |
| Viral Hepatitis | Hepatitis C, Perinatal | 0 | 0 | 0 | 0 | 1 |
| Viral Hepatitis | Viral Hepatitis Subtotal | 51 | 62 | 53 | 54 | 60 |