More than 9 million people have enrolled in a program to share information about their health since getting the shot.
Few breakthrough cases led to death, and the unvaccinated are six times more likely to catch COVID-19.
In this latest announcement by Gov. Kate Brown, which is likely to be the last one on risk levels, Jefferson, Klamath, and Marion move down to moderate risk.
If enough of the population gets vaccinated — more than the 45% who did last flu season — it could help head off a nightmare scenario this winter of hospitals stuffed with flu or COVID-19 patients.
Health officials are battling a new outbreak of measles in the Portland area.
The Oregon Health Authority has confirmed a second case of measles in Marion County, health officials announced Tuesday evening.
Oregon now has a measles case in Marion County.
It is not linked to the outbreak in Vancouver, Washington, officials said. Instead, the person contracted the disease from someone who traveled to Salem from Illinois.
Measles has been confirmed in a Marion County resident, county health officials announced Tuesday.
The patient is from Salem and is unvaccinated for measles, said Katrina Rothenberger, the county's public health director.