Is the Flu Going Around in Oregon? March 2026 Update

Is the Flu Going Around in Oregon Right Now?

Yes, the flu is still circulating in Oregon as of late March 2026, though activity is declining from its winter peak.

According to the latest CDC ILINet data, Oregon’s influenza-like illness (ILI) rate is tracking at moderate levels. This means a noticeable but not exceptional number of people are visiting doctors with flu symptoms — fever plus cough or sore throat.

You can see Oregon’s exact current numbers on our Oregon flu activity page, which updates every Friday.

How Does Oregon Compare?

Oregon’s flu activity is similar to the Pacific Northwest region overall. Nearby states like Washington and California are seeing comparable levels, while Idaho and Nevada may differ.

Use our flu activity map to compare all 50 states at a glance.

Is Flu Season Ending in Oregon?

Nationally, the 2025-2026 flu season peaked earlier this winter and has been declining since. Oregon typically follows the national trend with a slight lag. The decline should continue through April, though sporadic flu activity can occur year-round.

Key indicators that flu season is winding down:

Declining ILI rates week-over-week
Fewer states at high or very high activity levels
Approaching spring when respiratory viruses typically circulate less

What Else Is Going Around in Oregon?

Flu isn’t the only respiratory illness circulating. Check Oregon’s data for other tracked diseases:

Oregon RSV Activity — Respiratory syncytial virus hospitalization data
Oregon COVID-19 Activity — Emergency department visit data
Oregon Measles Cases — Confirmed case tracking
Oregon MMR Vaccination Rate — Kindergarten vaccination coverage

About This Data

Our flu data comes from the CDC’s ILINet surveillance network, which tracks the percentage of outpatient visits for influenza-like illness across all 50 states. Data is updated weekly, typically on Fridays. For full methodology details, see our methods page.

Updated weekly. Last update: March 26, 2026. See the Oregon flu dashboard for the latest numbers.