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Health Pulse / Illinois

Illinois Health Pulse

Public health surveillance data. Not medical advice.

Current Trends

COVID-19
Growing
Rt (effective reproduction): 1.0537
Week of 2026-08-18
Influenza
Declining
Rt (effective reproduction): 0.8615
Week of 2026-05-26
RSV
Declining
Rt (effective reproduction): 0.6866
Week of 2026-05-26

Wastewater Viral Activity

Influenza A virus
Moderate
73 monitoring sites, week of 2026-08-15
RSV
Very High
73 monitoring sites, week of 2026-08-15
SARS-CoV-2
High
73 monitoring sites, week of 2026-08-15

Highest activity level observed among this state's wastewater monitoring sites. Wastewater signals often precede clinical reporting.

Notifiable Disease Reports

DiseaseThis Week52-Week Max
Campylobacteriosis11110
Cryptosporidiosis129
Legionellosis131
Pertussis123
Tuberculosis579
Varicella disease114

Weekly provisional counts reported to CDC NNDSS by state health departments (MMWR week 32, 2026). Provisional and subject to revision.

Health Profile

Long-term community health indicators (not current surveillance) — 2023 estimates.

Coronary Heart Disease
5.34%
Current Asthma
10.5%
Current Smoking
14.58%
Depression
23.18%
Diabetes
9.72%
Frequent Mental Distress
18.2%
High Blood Pressure
30.75%
No Health Insurance
8.62%
Obesity
36.87%
Physical Inactivity
22.28%

Source: CDC PLACES, state-level average of local estimates.

Source: Centers for Disease Control and Prevention. Trend estimates and wastewater viral activity levels, not diagnoses or case counts. Public health surveillance data — not medical advice.

Illinois Health Pulse: Flu, COVID-19 & RSV Trends | Now in USA