[Nationwide] vaccination rates among nursing home staff are lagging -- and experts are concerned that's contributed to dozens of recent outbreaks in long-term care facilities. After an unvaccinated health care worker at a Kentucky nursing home tested positive for the virus in March, 46 total cases were identified in the facility, including in 26 residents, according to a report from the CDC. Three residents, one of whom was vaccinated, died of COVID-19, the CDC said.