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News Release

Declining Influenza Vaccinations Continue Among Health Care Workers - 10/30/26

October 30, 2026

Media contacts: Jonathan Modie, [email protected]

Declining influenza vaccinations continue among health care workers

OHA data show flu shot rate dropped from 85% to 52% since 2019-2020 season

PORTLAND, Ore.—Despite often caring for patients at higher risk of severe outcomes from respiratory virus infection, health care workers in Oregon continue to lag in rates of vaccination against the potentially deadly influenza, according to new state data.

Just over half the state’s nearly 150,000 eligible health care workers—52%—were vaccinated during the 2025-2026 flu season, according to the Healthcare Worker Influenza Vaccination Dashboard, published by Oregon Health Authority’s Healthcare-Associated Infections (HAI) Program. That is 2 percentage points lower than in the 2024-2025 season and 33 percentage points lower than in the 2019-2020 season, when the rate was 85%.

Dat Tran, M.D., the HAI Program’s medical director, said he’s troubled by declining flu vaccination rates among health care workers at ambulatory surgery centers, dialysis centers, hospitals, inpatient psychiatric facilities and skilled nursing facilities. When flu vaccination rates drop, the risk of influenza transmission to vulnerable patients rises.

“While we encourage everyone in Oregon to get the flu vaccine, it’s especially important for people in the health care field to be vaccinated,” Tran said. “The people being cared for in health care settings often have health conditions that make them particularly susceptible to severe health outcomes, and even death.”

In addition to helping protect patients, higher influenza vaccination rates can help reduce the spread of the virus among a health care facility’s staff, Tran said. This can reduce worker absenteeism, lost productivity, and health care costs.

“We know all too well from the pandemic how an outbreak of a highly infectious respiratory virus in a health care setting can affect hospital staffing levels and patient care,” Tran added. “A health care workforce that’s highly vaccinated against influenza can help reduce the risk and impact of influenza outbreaks in health care settings.”

OHA requires annual reporting of health care worker influenza vaccination data from five facility types: ambulatory surgery centers, dialysis centers, hospitals, inpatient psychiatric facilities, and nursing facilities. Facilities self-report aggregate counts, by worker category, of health care workers who were vaccinated, declined vaccination, had a documented medical contraindication or had unknown vaccination status.

The Healthcare Worker Influenza Vaccination Dashboard filters data by facility type, county and worker classification. Trends by influenza season and facility-specific data are also available.

During the 2025-2026 influenza season, ambulatory surgery centers reported the highest influenza vaccination rate among workers—62%. They were followed by hospitals at 57%, dialysis centers at 51%, inpatient psychiatric facilities at 33%, and nursing facilities at 25%.

Ambulatory surgery centers, dialysis centers, and inpatient psychiatric facilities were the only facility types that saw increases in health care worker influenza vaccination rates between the 2024-2025 and 2025-2026 seasons. Dialysis center influenza vaccination rates have been on a steady upward trend since 2021-2022, when the rate was 27%.

Nursing facilities in Oregon saw the largest drop in health care worker influenza vaccination rates between the 2024-2025 and 2025-2026 seasons: from 30% to 25%.

The proportion of eligible health care workers who declined influenza vaccination during the 2025-2026 season increased slightly from the prior season, from 18% to 19%. Similarly, the percentage of health care workers whose vaccination status was unknown also went up a percentage point during that time, from 28% to 29%, which is the highest percentage of the past seven flu seasons.

The U.S. Department of Health and Human Services’ Healthy People 2020 initiative included a goal of 90% influenza vaccination coverage among health care personnel. Healthy People 2030 does not include a health care personnel-specific influenza vaccination goal, so Oregon continues to use the former Healthy People 2020 goal as its benchmark.

To achieve 90% vaccination coverage, an additional 55,433 health care workers would have needed to be vaccinated during the 2025-2026 influenza season.

It’s difficult to know from these data alone why Oregon’s documented health care worker influenza vaccination rate has declined, Tran said. Similar declines have been reported nationally, and the Centers for Disease Control and Prevention has identified several possible contributors, including vaccine fatigue, reduced emphasis on influenza vaccination during the COVID-19 pandemic, lower perceived influenza risk and differences in workplace vaccination policies and access.

“Oregon also saw the percentage of health care workers with unknown vaccination status rise from 7% in 2019-2020 to 29% in 2025-2026, so documentation may be part of the picture,” Tran said. “However, unknown status does not tell us whether an individual worker was vaccinated, and the dashboard cannot determine how much of the decline reflects vaccination behavior versus incomplete documentation.”

Health care facilities can take steps to meet this goal, Tran explained. Public health recommendations include encouraging health care workers, including those not employed by the facility—such as contractors and volunteers—to get vaccinated at the beginning of every influenza season. Facilities can also host promotional activities, such as holding mass vaccination fairs, providing vaccines at no cost to employees, starting incentive programs, and documenting all health care workers’ vaccination status and requiring a declination form for health care workers who forgo vaccination.

OHA has developed a toolkit for health care employers and workers to help them improve employee flu vaccination rates at their facilities to protect patients, themselves and their families.

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Declining Influenza Vaccinations Continue Among Health Care Workers - 10/30/26

October 30, 2026

Media contacts: Jonathan Modie, [email protected]

Declining influenza vaccinations continue among health care workers

OHA data show flu shot rate dropped from 85% to 52% since 2019-2020 season

PORTLAND, Ore.—Despite often caring for patients at higher risk of severe outcomes from respiratory virus infection, health care workers in Oregon continue to lag in rates of vaccination against the potentially deadly influenza, according to new state data.

Just over half the state’s nearly 150,000 eligible health care workers—52%—were vaccinated during the 2025-2026 flu season, according to the Healthcare Worker Influenza Vaccination Dashboard, published by Oregon Health Authority’s Healthcare-Associated Infections (HAI) Program. That is 2 percentage points lower than in the 2024-2025 season and 33 percentage points lower than in the 2019-2020 season, when the rate was 85%.

Dat Tran, M.D., the HAI Program’s medical director, said he’s troubled by declining flu vaccination rates among health care workers at ambulatory surgery centers, dialysis centers, hospitals, inpatient psychiatric facilities and skilled nursing facilities. When flu vaccination rates drop, the risk of influenza transmission to vulnerable patients rises.

“While we encourage everyone in Oregon to get the flu vaccine, it’s especially important for people in the health care field to be vaccinated,” Tran said. “The people being cared for in health care settings often have health conditions that make them particularly susceptible to severe health outcomes, and even death.”

In addition to helping protect patients, higher influenza vaccination rates can help reduce the spread of the virus among a health care facility’s staff, Tran said. This can reduce worker absenteeism, lost productivity, and health care costs.

“We know all too well from the pandemic how an outbreak of a highly infectious respiratory virus in a health care setting can affect hospital staffing levels and patient care,” Tran added. “A health care workforce that’s highly vaccinated against influenza can help reduce the risk and impact of influenza outbreaks in health care settings.”

OHA requires annual reporting of health care worker influenza vaccination data from five facility types: ambulatory surgery centers, dialysis centers, hospitals, inpatient psychiatric facilities, and nursing facilities. Facilities self-report aggregate counts, by worker category, of health care workers who were vaccinated, declined vaccination, had a documented medical contraindication or had unknown vaccination status.

The Healthcare Worker Influenza Vaccination Dashboard filters data by facility type, county and worker classification. Trends by influenza season and facility-specific data are also available.

During the 2025-2026 influenza season, ambulatory surgery centers reported the highest influenza vaccination rate among workers—62%. They were followed by hospitals at 57%, dialysis centers at 51%, inpatient psychiatric facilities at 33%, and nursing facilities at 25%.

Ambulatory surgery centers, dialysis centers, and inpatient psychiatric facilities were the only facility types that saw increases in health care worker influenza vaccination rates between the 2024-2025 and 2025-2026 seasons. Dialysis center influenza vaccination rates have been on a steady upward trend since 2021-2022, when the rate was 27%.

Nursing facilities in Oregon saw the largest drop in health care worker influenza vaccination rates between the 2024-2025 and 2025-2026 seasons: from 30% to 25%.

The proportion of eligible health care workers who declined influenza vaccination during the 2025-2026 season increased slightly from the prior season, from 18% to 19%. Similarly, the percentage of health care workers whose vaccination status was unknown also went up a percentage point during that time, from 28% to 29%, which is the highest percentage of the past seven flu seasons.

The U.S. Department of Health and Human Services’ Healthy People 2020 initiative included a goal of 90% influenza vaccination coverage among health care personnel. Healthy People 2030 does not include a health care personnel-specific influenza vaccination goal, so Oregon continues to use the former Healthy People 2020 goal as its benchmark.

To achieve 90% vaccination coverage, an additional 55,433 health care workers would have needed to be vaccinated during the 2025-2026 influenza season.

It’s difficult to know from these data alone why Oregon’s documented health care worker influenza vaccination rate has declined, Tran said. Similar declines have been reported nationally, and the Centers for Disease Control and Prevention has identified several possible contributors, including vaccine fatigue, reduced emphasis on influenza vaccination during the COVID-19 pandemic, lower perceived influenza risk and differences in workplace vaccination policies and access.

“Oregon also saw the percentage of health care workers with unknown vaccination status rise from 7% in 2019-2020 to 29% in 2025-2026, so documentation may be part of the picture,” Tran said. “However, unknown status does not tell us whether an individual worker was vaccinated, and the dashboard cannot determine how much of the decline reflects vaccination behavior versus incomplete documentation.”

Health care facilities can take steps to meet this goal, Tran explained. Public health recommendations include encouraging health care workers, including those not employed by the facility—such as contractors and volunteers—to get vaccinated at the beginning of every influenza season. Facilities can also host promotional activities, such as holding mass vaccination fairs, providing vaccines at no cost to employees, starting incentive programs, and documenting all health care workers’ vaccination status and requiring a declination form for health care workers who forgo vaccination.

OHA has developed a toolkit for health care employers and workers to help them improve employee flu vaccination rates at their facilities to protect patients, themselves and their families.

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