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San Diego Avoids Purple Tier Again As Coronavirus Numbers Improve Slightly

Man walking out of 7-Eleven in Bay Park on Aug. 1, 2020. The business, like many others in the county, is requiring customers to wear a mask before entering the premises to slow the spread of the coronavirus.
Alexander Nguyen
Man walking out of 7-Eleven in Bay Park on Aug. 1, 2020. The business, like many others in the county, is requiring customers to wear a mask before entering the premises to slow the spread of the coronavirus.

For yet another week, San Diego County avoided the fate of dropping into the dreaded purple tier of California's coronavirus monitoring system, with an adjusted case rate of 6.5 new daily COVID-19 cases per 100,000 population.

While the county's unadjusted case rate is 7.4 per 100,000 — enough to be in the most restrictive purple tier, which has a floor of 7 per 100,000 — the high volume of tests the county is able to perform daily allows for an adjustment from the state. This adjustment has kept the county in the red tier for several weeks, saving it from having to shut down nearly all non-essential indoor businesses.

The state data, which is updated every Tuesday, reflects the previous week's case data to determine where counties stand in the state's four-tiered reopening system.


San Diego County did show modest improvement, dropping 0.4 from last week's unadjusted case rate of 7.8. The testing positivity rate continued an upward trend, rising 0.2% from last week to reach 3.5%, but remains low enough for this metric to remain in the orange tier. If a county reports statistics meeting metrics in a higher tier for two consecutive weeks, it will move into that more restrictive tier for a minimum of three weeks.

The state's health equity metric, which looks at the testing positivity for areas with the lowest healthy conditions, dropped from 5.5% to 5.1% and entered the orange tier. This metric does not move counties backward to more restrictive tiers, but is required to advance.

County health officials reported 269 new COVID-19 infections and seven deaths Tuesday, bringing the case total to 55,210 and the death toll to 877.

Five men and two women died between Oct. 22 and Oct. 25, with one death occurring July 19. Their ages ranged from early 60s to mid-80s. All had underlying medical conditions.

Of the 10,456 tests reported Tuesday, 3% returned positive, bringing the 14-day rolling average percentage of positive cases to 2.7%. The 7-day daily average of tests is 11,173.


Two new community outbreaks were confirmed Tuesday, one in a daycare and one in a business. In the past seven days, 24 community outbreaks were confirmed. A community outbreak is defined as three or more COVID-19 cases in a setting and in people of different households over the past 14 days.

Of all cases, 3,875 — or 7% — have required hospitalization. And 898 — or 1.6% — of all cases and 23.2% of hospitalized cases had to be admitted to an intensive care unit.

All students at San Diego State University, meanwhile, remained under a stay-at-home advisory announced Thursday. The advisory began at 6 p.m. Friday and will run through Nov. 2 at 6 a.m. University officials said the move was made to discourage students from participating in Halloween events where physical distancing cannot be done. Students are advised to stay home unless they have an essential need.

As of Tuesday afternoon, the university has had a total of 1,257 COVID- 19 cases since the fall semester began, including 421 among students living on-campus, 807 among students living off-campus, 16 among faculty and staff and 13 among "visitors" — defined as someone who has had exposure with an SDSU- affiliated individual.

UC San Diego announced Monday night that, as a result of viral shedding, it had detected COVID-19 in wastewater in the Revelle College area between 11:30 a.m. Saturday and 9:45 a.m. Monday.

The virus is shed from the gastrointestinal tract and is present in feces early in the infection. UCSD has the ability to identify the virus in wastewater, even before someone tests positive.

The college advised anyone who used the restroom near the Revelle College area between those dates and times to get tested for COVID-19 out of an abundance of caution.

Less than a week after fully reopening its schools, the Vista Unified School District reported four additional COVID-19 cases Monday, including two Mission Vista High School students, one Roosevelt Middle School student and one Alamosa Park Elementary School student.

On Tuesday, the district confirmed two additional cases — one at Mission Meadows Elementary School and one at Alamosa Park Elementary School.

According to the district's COVID-19 safety dashboard, it has recorded 10 cases since Sept. 8, with six of those coming after Oct. 20.

The VUSD Board voted Tuesday to shut down at least one campus for two weeks starting Thursday as a result of the rising cases. At least 400 students and nearly two dozen staff members have been ordered to quarantine.

Mission Vista High School will move to distance learning for at least two weeks starting Thursday, while Alta Vista High School and Roosevelt Middle School also face potential closures.

For yet another week, San Diego County avoided dropping into the dreaded purple tier - the most restrictive level in California's coronavirus monitoring system. The county’s adjusted case rate on Tuesday was 6.5 new daily COVID-19 cases per 100,000 population. Plus, More school reopening details were released for San Diego Unified, meanwhile Vista School district is sending students into quarantine following an outbreak.