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Oregon sees first 'breakthrough' COVID-19 cases among vaccinated individuals

The Oregon Health Authority revealed Friday that it is investigating four cases of people fully vaccinated for coronavirus who tested positive for the virus.

Posted: Feb 12, 2021 3:38 PM

SALEM, Ore. — The Oregon Health Authority announced on Friday that has discovered the first known "breakthrough" coronavirus cases in the state — individuals who are fully vaccinated, but tested positive for COVID-19.

OHA said that there are currently four such cases. All had gotten their second dose of a vaccine at least 14 days before testing positive.

Two of the cases are in Yamhill County, and another two in Lane County. OHA said that it is working with local public health officials to investigate the origin of these cases.

Illnesses among the four cases range from asymptomatic to mild symptoms.

"Genome sequencing is underway, and we expect results next week," the agency said.

Breakthrough cases are "not unexpected," OHA said. Clinical trials of both the Pfizer and Moderna vaccine resulted in some amount of these cases, though severity of the illnesses tended to be reduced.

"Based on what is known about vaccines for other diseases and early data from clinical trials, OHA experts believe the existing vaccines are very effective," the agency concluded.

Oregon's daily number of vaccinations performed has continued to ramp up, with 25,772 doses added to the state's registry on Friday — the majority from inoculations done on Thursday. At present, a total of 649,602 first and second doses have been administered in the state, of more than 884,000 delivered to sites across Oregon.

Oregon Coronavirus Cases

Data is updated nightly.

Cases: 206851

Reported Deaths: 2756
CountyCasesDeaths
Multnomah40371614
Washington26781248
Marion23425323
Clackamas18932235
Lane13908164
Jackson11535146
Deschutes1001882
Umatilla859387
Linn561181
Yamhill478279
Klamath477678
Polk399356
Douglas388483
Malheur361463
Josephine360672
Benton326522
Jefferson237039
Coos216637
Columbia192129
Union149924
Wasco144430
Lincoln143021
Crook129223
Hood River121633
Morrow115416
Clatsop10589
Baker101115
Curry71011
Tillamook6604
Grant5507
Lake4678
Harney4339
Wallowa1945
Gilliam801
Sherman671
Wheeler351
Unassigned00

California Coronavirus Cases

Data is updated nightly.

Cases: 3809710

Reported Deaths: 63356
CountyCasesDeaths
Los Angeles124774424456
Riverside3016684627
San Bernardino2992894845
San Diego2818103771
Orange2730575113
Santa Clara1201632188
Kern1107991404
Sacramento1078211736
Fresno1029471724
Alameda896591277
Ventura816611031
San Joaquin747271440
Contra Costa70730813
Stanislaus634971070
Tulare49776849
Monterey43836432
San Mateo42681581
San Francisco37269556
Santa Barbara34613455
Solano33762266
Merced32313478
Sonoma30884317
Imperial28855741
Placer23589299
Kings23195247
San Luis Obispo21421261
Madera16638245
Santa Cruz16246208
Marin14206230
Yolo14160212
Butte12668194
Shasta12630233
El Dorado10396116
Napa1002680
Sutter9663113
Yuba648951
San Benito610963
Lassen578424
Tehama573463
Nevada491975
Humboldt449948
Mendocino434050
Tuolumne421271
Amador374047
Lake356345
Glenn243427
Siskiyou239637
Colusa228418
Calaveras220756
Del Norte14588
Inyo143438
Mono12954
Plumas7366
Modoc5585
Mariposa4657
Trinity4225
Sierra1160
Alpine890
Unassigned280
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