RIVERSIDE COUNTY, CA — Riverside County health officials reported the region's first influenza-related death of the 2026–2027 season Tuesday, warning that flu activity has already surged to "very high" levels weeks ahead of the typical winter holiday peak.
The victim was a man over 65 who lived in western Riverside County, according to the Riverside University Health System - Public Health agency. Additional details about his identity were not released.
County Health Officer Dr. Jennifer Chevinsky urged residents to get vaccinated against the flu and other respiratory viruses, noting that indicators such as emergency room visits, hospitalizations, laboratory tests, and wastewater monitoring point to a rapid, early escalation of transmission.
"This death is a sad reminder of the dangers that influenza can pose, especially to older adults, younger children and those with underlying conditions, and the impact it can then have on our Riverside County families who suffer the loss," Chevinsky said in a statement. "Vaccination is the single best prevention strategy to protect us and our loved ones from severe disease caused by the flu."
While seasonal flu activity in Southern California typically climbs around Thanksgiving and peaks during midwinter travel, county tracking indicates transmission is already elevated.
Statewide, 87 influenza deaths have been reported for the 2026-27 season, according to the California Department of Public Health. The figure includes two infants.
State health guidance recommends annual flu shots for everyone 6 months of age and older. Those facing the highest risk of severe complications include seniors 65 and older, children under 5, pregnant women, and people with underlying conditions such as diabetes, asthma, or heart disease.
Public health officials also recommended standard preventive measures, including regular hand-washing, staying home when sick, masking in crowded indoor venues, and improving indoor ventilation.
Flu shots and treatments are available through private healthcare providers, neighborhood pharmacies, and county-run public health clinics.
To learn about influenza in Riverside County, visit Respiratory Viruses | Riverside University Health System (ruhealth.org).
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