Today's sick forecast · Bay Area
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What's likely to come home
Ranked by how much of each virus is in Bay Area wastewater, which way it's moving, and how often it's the one sending school-age kids home.
Symptom decoder
Tap what your kid has. We'll match it against what's circulating right now. It's a hint, not a diagnosis.
Pick a symptom or two.
Trends in the wastewater
Each line compares a virus with what's typical for that treatment plant over the past year. Everyone flushes, so it catches mild and silent infections that never get tested.
Air quality
Coming up
Field guide
What each virus is, how long it lasts, what helps, and when to call the doctor. General guidance from CDC, CDPH and AAP sources. Not medical advice.
Tip jar
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