Health Pulse / California
California Health Pulse
Public health surveillance data. Not medical advice.
Current Trends
COVID-19
GrowingRt (effective reproduction): 1.0578
Week of 2026-08-18
Influenza
Not ChangingRt (effective reproduction): 1.0102
Week of 2026-05-26
RSV
DecliningRt (effective reproduction): 0.746
Week of 2026-05-26
Wastewater Viral Activity
Influenza A virus
Low78 monitoring sites, week of 2026-08-15
RSV
Low78 monitoring sites, week of 2026-08-15
SARS-CoV-2
Very High78 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
| Disease | This Week | 52-Week Max |
|---|---|---|
| Campylobacteriosis | 147 | 397 |
| Cryptosporidiosis | 28 | 60 |
| Giardiasis | 13 | 74 |
| Legionellosis | 2 | 46 |
| Malaria | 1 | 7 |
| Mpox | 1 | 33 |
| Mumps | 1 | 4 |
| Pertussis | 5 | 68 |
| Salmonellosis (excluding Salmonella Typhi infection and Salmonella Paratyphi infection) | 44 | 142 |
| Shigellosis | 33 | 112 |
| Tuberculosis | 7 | 85 |
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
5.46%
Current Asthma
10.1%
Current Smoking
12.68%
Depression
22.95%
Diabetes
10.47%
Frequent Mental Distress
18.45%
High Blood Pressure
29.14%
No Health Insurance
11.21%
Obesity
30.25%
Physical Inactivity
24.45%
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.