RSV-like illness accounts for 0.01% of emergency department visits in New Haven, Litchfield & Middlesex for the week of September 20. RSV-like illness activity in New Haven, Litchfield & Middlesex is holding steady compared with recent weeks. The highest reading in the current data window is 0.01%.

Emergency department visits for RSV (respiratory syncytial virus) in your local area, from CDC surveillance data.