Nursing student Erika Lohr administers a COVID-19 vaccine in Chula Vista. REUTERS/Mike Blake

San Diego County public health officials reported 108 new COVID-19 cases Tuesday as the county’s state-calculated, adjusted case rate fell to 3.4 per 100,000.

Last week’s adjusted case rate was 3.7 per 100,000. Both numbers place San Diego County firmly in the “orange tier” of the state’s color-coded reopening plan.

The county’s positivity rate declined to 1.6% from last week’s 1.7% and the health equity positivity rate — how the state measures a county’s most vulnerable or underserved quartile — increased to 2%.

Both of these numbers are good enough for yellow tier — however, a county is represented by its worst performing of three metrics. That leaves San Diego County in the orange tier, which features some business restrictions.

Tuesday’s data brings the total number of coronavirus cases in the county to 279,253 and the death toll remains 3,742.

Of 7,688 tests reported to the county’s Health and Human Services Agency Tuesday, 1% returned positive. The 14-day rolling average remained 1.5%.

The county has received around 3.9 million doses of coronavirus vaccine and has administered nearly 3.37 million of them.

— City News Service contributed to this report

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