What's Going Around in Idaho?
Health surveillance summary for Idaho — April 2026
Here's a snapshot of current respiratory illness and disease activity in Idaho, based on the latest CDC surveillance data. Click any topic for detailed trends, charts, and nearby state comparisons.
Elevated Activity in Idaho
Flu, MMR Coverage are at elevated levels. Tap below for details.
Flu
High4.4% ILI
View details →RSV
Moderate1.1 per 100K
View details →COVID-19
Low0.4 per 100K
View details →Measles
Moderate4 cases in 2026
View details →MMR Coverage
Very High78.5% coverage
View details →What's Getting Better or Worse?
Based on CDC forecasting data as of 2026-03-31.
Nearby States
Cities in Idaho
Health data available for these Idaho cities:
Frequently Asked Questions
What's going around in Idaho right now?
Based on the latest CDC data, here's what's circulating in Idaho: flu activity is high, RSV is moderate, COVID-19 is low, and there have been 4 measles cases reported in 2026. Each topic page has detailed trends and comparisons.
Is the flu bad in Idaho right now?
Flu activity in Idaho is currently high with 4.4% ILI. Visit the Idaho flu page for weekly trend charts, nearby state comparisons, and historical context.
Are there measles cases in Idaho?
Idaho has reported 4 confirmed measles cases in 2026. The state's kindergarten MMR vaccination rate is 78.5%. See the measles tracker for county-level details.
Local Health Signal is not affiliated with the CDC or any government agency. Data is provided for informational purposes only and is not intended for clinical decision making. See our methods page for details on data sources and limitations.