Larimer County Respiratory Disease Update - 01/07/2026

Larimer County hospitals reported a total of six respiratory virus hospitalizations for the week ending January 4, with influenza leading but COVID-19 and RSV both at low levels. Three people were hospitalized with flu, two with COVID-19, and one with RSV during the latest reporting week of the 2025–26 season.

Emergency departments are seeing a moderate share of visits for respiratory illness, with influenza-like illness still the main driver. So far this season, older adults and very young children continue to account for most serious cases: people 65 and older make up the majority of COVID-19 and flu hospitalizations, while children 0–4 years old account for over half of RSV hospital stays.

Key numbers from the most recent report:

• 3 influenza, 2 COVID-19, and 1 RSV hospitalization in the week of January 4 (6 total).
• Cumulative hospitalizations this season: 157 for flu, 25 for COVID-19, and 8 for RSV.
• Emergency department visits (Jan. 7): 4.44% for influenza-like illness, 0.65% for COVID-19, and 0.35% for RSV.
• Among seniors (65+) so far in January: 7 flu hospitalizations, 2 COVID-19 hospitalizations, and 0 RSV hospitalizations.

All data is provided by the Larimer County Department of Health and Environment