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Wastewater data shows COVID-19 surge in several Bay Area communities
Summary by The San Francisco Editorial Desk · Byline on the source page: Ali Reid , as published by NBC Bay Area (KNTV, NBC)
· August 13, 2026
· 1 min read
Photo: NBC Bay Area (KNTV, NBC) · view original
Story provenance No corrections
Summary created by The San Francisco Editorial Desk — automated, rule-governed Byline on source page Ali Reid, as published by NBC Bay Area (KNTV, NBC) Original story Read at the source Source published Aug 13, 2026 Indexed here Aug 14, 2026 AI assistance Automated summary drawn from the source’s own published text Prepublication human review No — editorial rules, flagged-item review, and published samples
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Key takeaway The data indicates a surge in the virus from Marin County to the South Bay.
COVID-19 rates are increasing in several Bay Area communities, according to wastewater data. The data indicates a surge in the virus from Marin County to the South Bay. Health officials are using this information to track the spread of the virus in the community.
San Francisco is among the areas affected, with wastewater levels reaching their highest point since last September. Other areas with high or rising levels of the virus include Palo Alto, Sunnyvale, San Jose, and Marin. Further details on the surge and its impact on the community are available from local health officials and news sources.
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About this story
As published by NBC Bay Area (KNTV, NBC) . The San Francisco surfaces reporting from trusted publishers and adds local editorial context so readers can quickly understand what a story means for their community. We attribute every source, link to the original report, and follow a documented editorial standards policy. To understand how stories are selected and reviewed, read our about page .
For the complete original report, visit NBC Bay Area (KNTV, NBC) . Have a tip or correction? Contact our newsroom .
Category: local ·
Published: August 13, 2026 ·
Source: NBC Bay Area (KNTV, NBC) ·
Reading time: 1 min
Frequently asked about this story
What is this story about? COVID-19 rates are increasing in several Bay Area communities, according to wastewater data. The data indicates a surge in the virus from Marin County to the South Bay. Health officials are using…
When was this published? This article was first published on August 13, 2026 by NBC Bay Area (KNTV, NBC) and curated for The San Francisco readers.
Who reported this story? This story was reported by Ali Reid at NBC Bay Area (KNTV, NBC). To learn more about how The San Francisco selects and reviews stories, see our editorial standards .
Where can I find related coverage? See more local coverage from The San Francisco, or browse our daily briefing and topic hubs .
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