[Archived] COVID Test Results

This is an archived version of the COVID Test Results page prior to April 2020.  Please see the current COVID Test Results page for up to date data.




Test results provided by the Public Health Lab will be made available 6 days a week, Monday - Saturday.


March 31, 2020

Total new positive cases confirmed on March 31: 6

Daily COVID-19 case report for March 31
Total number of positive cases: 27
Total number of active cases: 26
Total number of hospitalizations: 1 

Total number of people tested by Public Health Laboratory: 364 

Total number of people tested by all other sources: 332
(Centers for Disease Control and Prevention, California Department of Public Health and commercial labs)

After receiving additional supplies, the Public Health Laboratory currently has a capacity of approximately 750 tests and can process about 40 samples a day with an approximate turnaround time of 48 hours.

March 30, 2020

Total new positive cases confirmed on March 30: 3

Daily COVID-19 case report for March 30
Total number of positive cases: 21
Total number of active cases: 20
Total number of hospitalizations: 1

Total number of people tested by Public Health Laboratory: 328

Total number of people tested by all other sources: 216
(Centers for Disease Control and Prevention, California Department of Public Health and commercial labs)

After receiving additional supplies, the Public Health Laboratory currently has a capacity of approximately 700 tests and can process about 40 samples a day with an approximate turnaround time of 48 hours.


March 28, 2020

Total positive cases confirmed on March 28: 4

Daily COVID-19 case report for March 28
Total number of positive cases: 18
Total number of active cases: 17
Total number of hospitalizations: 1

Total number of people tested by Public Health Laboratory: 305

Total number of people tested by all other sources: 165
(Centers for Disease Control and Prevention, California Department of Public Health and commercial labs)

After receiving additional supplies, the Public Health Laboratory currently has a capacity of approximately 550 tests and can process about 40 samples a day with an approximate turnaround time of 48 hours.

March 27, 2020

Total positive cases confirmed on March 27: 2

Total number of positive cases: 14
Total number of active cases: 13
Total number of hospitalizations: 1

Total number of people tested by Public Health Laboratory: 243

Total number of people tested by all other sources: 165
(Centers for Disease Control and Prevention, California Department of Public Health and commercial labs)

After receiving additional supplies, the Public Health Laboratory currently has a capacity of approximately 600 tests and can process about 40 samples a day with an approximate turnaround time of 48 hours.


March 26, 2020

Total positive cases confirmed on March 26: 2

  • Total number of positive cases: 12
  • Total number of active cases: 11
  • Total number of hospitalizations: 1

Total number of people tested by Public Health Laboratory: 191

Total number of people tested by all other sources: 160

(Centers for Disease Control and Prevention, California Department of Public Health and commercial labs)

The Public Health Laboratory currently has a capacity of approximately 500 tests and can process about 30 samples a day with an approximate turnaround time of 48 hours.

March 25, 2020

  • Total number of positive cases: 10
  • Total number of active cases: 9
  • Total number of cleared cases: 1

Total number of people tested by Public Health Laboratory: 154

Total number of people tested by all other sources: 136

(Centers for Disease Control and Prevention, California Department of Public Health and commercial labs)

The Public Health Laboratory currently has a capacity of approximately 525 tests and can process about 30 samples a day with an approximate turnaround time of 48 hours.

March 24, 2020

30 people tested:

  • 2 positive
  • 28 negative
  • 1 positive reported by commercial laboratory

People tested before the Public Health Laboratory came online March 7:

  • 6 tested by the Centers for Disease Control and Prevention or California Department of Public Health

Positive tests confirmed by commercial laboratory:

  • 1

People whose tests were run by the Public Health Laboratory:

  • 140

Results Summary to date for the Public Health Laboratory:

146 total patients tested:

  • 3 positive
  • 1 positive, cleared
  • 1 inconclusive, cleared
  • 141 negative

Current test capacity:

  • After receiving additional supplies, the Public Health Laboratory currently has a capacity of approximately 500 tests and can process about 30 samples a day with an approximate turnaround time of 48 hours.


March 23, 2020

7 people tested:

  • 0 positive
  • 7 negative

People tested before the Public Health Laboratory came online March 7:

  • 6 tested by the Centers for Disease Control and Prevention or California Department of Public Health

People whose tests were run by the Public Health Laboratory:  110

Results Summary to date:

  • 116 total patients tested
    • 1 positive
    • 1 positive, cleared
    • 1 inconclusive, cleared
    • 113 negative

Current test capacity: After receiving additional supplies, the Public Health Laboratory has a total capacity of 398 tests and can process approximately 30 samples a day with an approximate turnaround time of 48 hours.

March 21, 2020

*Numbers below do not reflect testing by commercial laboratories.

Today’s Results

  • 38 people tested
  • 0 positive
  • 38 negative

People tested before the Public Health Laboratory came online March 7:

  • 6 tested by the Centers for Disease Control and Prevention or California Department of Public Health

People whose tests were run by the Public Health Laboratory:

  • 103

Results Summary to date:

  • 109 total patients tested
  • 1 positive
  • 1 positive, cleared
  • 1 inconclusive, cleared
  • 106 negative

Current test capacity: After receiving additional supplies, the Public Health Laboratory has a total capacity of 400 tests and can process approximately 20 samples a day with an approximate turnaround time of 48 hours.

March 20, 2020

Ten people tested since the March 19 report was issued. One was positive, and nine were negative.

*Numbers below do not reflect testing by commercial laboratories.

People tested before the Public Health Laboratory came online March 7:

  • 6 tested by the Centers for Disease Control and Prevention or California Department of Public Health

People whose tests were run by the Public Health Laboratory:

  • 65

Results Summary to date:

  • 71 total patients tested
    • 1 positive
    • 1 positive, cleared
    • 1 inconclusive, cleared
    • 68 negative

Current test capacity:

  • Public Health currently has a total capacity of approximately 224 tests and can process 20 samples a day with an approximate turnaround time of 48 hours.


March 19, 2020

Sixteen people tested since the March 18 report was issued. All were negative.

*Numbers below do not reflect testing by commercial laboratories.

People whose tests were run by the Public Health Laboratory:
     • 6 tested by the Centers for Disease Control and Prevention or California Department of Public Health

People whose tests were run by the Public Health Laboratory:
     • 55

Results Summary to date:
     • 61 total patients tested
               o 1 positive, cleared
               o 1 inconclusive, cleared
               o 59 negative

Current test capacity:
     • Public Health currently has a total capacity of approximately 234 tests and can process 20 samples a day with an approximate turnaround time of 48 hours.

March 18, 2020


*Numbers below do not reflect testing by commercial laboratories.

People whose tests were run by the Public Health Laboratory:
     • 6 tested by the Centers for Disease Control and Prevention or California Department of Public Health

People whose tests were run by the Public Health Laboratory:
     • 39

Results Summary to date:
     • 45 total patients tested
               o 1 positive, cleared
               o 1 inconclusive, cleared
               o 43 negative

Current test capacity:
     • Public Health currently has a total capacity of approximately 250 tests after receiving additional reagents today. It can process 20 samples a day with an approximate turnaround time of 48 hours.

March 17, 2020

*Numbers below do not reflect testing by commercial laboratories.

People tested before the Public Health Laboratory came online March 7:
     • 6 tested by the Centers for Disease Control and Prevention or California Department of Public Health

People whose tests were run by the Public Health Laboratory:
     • 28

Results Summary to date:
     • 34 total patients tested
               o 1 positive, cleared
               o 1 inconclusive, cleared
               o 32 negative

Current test capacity:
     • Public Health currently has a total capacity of approximately 195 tests and can process 20 samples a day with an approximate turnaround time of 48 hours.


March 16, 2020

*Numbers below do not reflect testing by commercial laboratories.

People tested before the Public Health Laboratory came online March 7:
     • 6 tested by the Centers for Disease Control and Prevention or California Department of Public Health.

People whose tests were run by the Public Health Laboratory:
     • 23

Results Summary to date:
     • 29 total patients tested
               o 1 positive, cleared
               o 1 inconclusive, cleared
               o 27 negative.

Current test capacity:
     •Public Health currently has the capacity to run 200 tests with an approximate turnaround time of 48 hours.