cdc indicators and thresholds for community transmission

covid19.lacounty.gov 7/15/2021

INDICATORLow

transmissionModerate

transmissionSubstantial

transmissionHigh

transmission

Case rate in past 7 days 0 – 9.99 10 – 49.99 50 – 99.99 ≥ 100

(Daily case rate approximation) (0 – 1.49) (1.5 – 6.99) (7 – 13.99) (≥ 14)

Test positivity < 5.0% 5.0% – 7.9% 8.0% – 9.9% ≥ 10%

CDC Indicators and Thresholds for Community Transmission of Covid


Current Status

Deaths Reported Today 3

Total Deaths 24,566

Cases Reported Today 1,537

Total Cases 1,262,578

Currently Hospitalized 406

Total People Tested 7,142,456

Daily test positivity rate 3.75%

7-day daily average case rate* 7.1 cases/100,000

*As of 07/08/2021


New Masking Requirement

New Health Officer Order will require masking indoors regardless of vaccination status

• Will go into effect at 11:59pm on Saturday night, July 17th

• Exceptions will apply (similar to masking requirements in place prior to June 15th)

• Full HOO will be on our website no later than July 16th


Daily Average Number of COVID-19 Cases and Hospitalizations by Episode Date and Daily Average Deaths by Date of Death

March 1 – July 7, 2021

0

100

200

300

400

500

600

700

0

200

400

600

800

1,000

1,200

1,400

1,600

Dai

ly A

vera

ge N

um

ber

of

Rep

ort

ed D

eath

s

Dai

ly A

vera

ge N

um

ber

of

Rep

ort

ed C

ases

an

d

Ho

spit

aliz

atio

n

7-day Daily AverageReported Cases

Average Confirmed CasesHospitalized

7-day Daily AverageReported Deaths


Unadjusted Case Rate per 100,000 for Los Angeles County by Vaccination StatusMay 1 – July 3, 2021

On July 3rd, cases were 5.1 times more likely to be unvaccinated than vaccinated

0

1

2

3

4

5

6

7

8

9

10

Unvaccinated

Vaccinated


Case Incidence Rate Hospitalization Rate % Vaccinated

Race/Ethnicity June 5 July 3 June 5 July 3 July 11

Black 40 97 8.5 12.5 45%

Latinx 21 38 5.9 6.7 55%

White 17 39 3.4 3.2 66%

Asian 6 17 1.8 2.0 76%

Age-Adjusted Case, Hospitalization, and Death Rates per 100,000 Peopleby Race and Ethnicity

Over Two-Week Periods ending June 5 and July 3, 2021


LAC Cases Caused by Variants of Concern by Specimen Collection DateIdentified by PHL and Other California Laboratories

0

50

100

150

200

250

300

350

400

450

500

Seq

uen

ces

rep

ort

ed t

o L

AC

DP

H

Specimen Collection Date (Week Ending)

Delta B.1.617.2

Zeta P.2

Gamma P.1

Lambda C.37

B.1.617.3

Kappa B.1.617.1

Iota B.1.526/526.1

Eta B.1.525

Epsilon B.1.427/B.1.429

Beta B.1.351

Alpha B.1.1.7


Percentage of Sequenced Specimens That Were Delta Variantby Week of Sequenced Specimen Collection Date, LAC

0%

10%

20%

30%

40%

50%

60%

70%

80%

Del

ta v

aria

nt

spec

imen

ts s

equ

ence

d

Week Ending

Delta Variant, Cases and Percentage of Specimens Sequenced, by Week of Specimen Collection

% delta variant


Post-Vaccination Infections Among LAC Cases Tested for Variants Among Specimens Collected June 2021

91% 86% 92% 89%

9% 14% 8% 11%

0%

10%

20%

30%

40%

50%

60%

70%

80%

90%

100%

AlphaB.1.1.7

DeltaB.1.617.2/AY.1/AY.2

Gamma P.1

Other lineages

Fully vaccinated and finaldose 14 days or morebefore episode date

Not fully vaccinated

variants


COVID-19 Vaccine UpdateAs of July 11, 2021

Total Doses Administered 10,712,037

First Doses 5,948,447

Second Doses 4,763,590

LAC Residents with ≥1 Dose 5,777,184

LAC Residents Fully Vaccinated 5,067,109


First Doses Administered Weekly Among All Eligible Persons

0

50,000

100,000

150,000

200,000

250,000

300,000

350,000

400,000

450,000

500,000

1st

do

ses

adm

inis

tere

d

COVID-19 surge

65+ openedSnowstorm

12-15 start

Phase 1B

50+, universal in hard-hit areas

J&J pause

Beyond the Blueprint reopening


Cumulative Percent of Population Who Have Received at Least 1 Dose of Vaccine, by Week and Age Group

Age Group June 11, 2021 July 11, 2021 Relative % Increase

12-15 32% 41% 30%16-17 49% 55% 12%18-29 54% 58% 7%30-49 63% 66% 5%50-64 72% 74% 3%65-79 90% 92% 1%80+ 76% 77% 1%

533,159 (10%) residents were 35 days or more overdue for their second dose


7-day cumulative case rates* per 100,000 people, by Age groupJune 1, 2021 to July 7, 2021

0

10

20

30

40

50

60

70

80

90

7-d

ay c

um

ula

tive

cas

e ra

tes

7-day cumulative rates - Age 0 to 11





* Crude rates


Cumulative Percent of Population 16 and Older Who Have Received at Least 1 Dose of Vaccine, by Race/Ethnicity

Race/Ethnicity June 11, 2021 July 11, 2021Relative % Increase

Black/African American 43% 45% 5.3%Latinx 52% 55% 5.2%American Indian/Alaska Native* 60% 63% 5.5%White 64% 66% 2.3%Asian 74% 76% 2.8%NHOPI** 115% 119% 3.6%

*Likely an overestimate due to inclusion of multiracial people**NHOPI estimates not reliable due to high likelihood of inaccuracies


Where Can We Close Vaccination Gaps?Percent of LA County Residents With At Least 1 Dose of Vaccine

as of July 11, 2021

12-15 16-17 18-29 30-49 50-64 65-79 80+

Black/African American 20 27 29 39 53 69 61

Latinx 29 43 43 51 66 80 61

American Indian/Alaska Native* 42 53 60 66 58 69 65

White 46 59 59 63 61 83 72

Asian 71 82 77 74 75 85 68

*Likely an overestimate due to inclusion of multiracial people


Vaccination Sites in LA County


Mobile Vaccine Units in LA County


Outreach and Education Efforts

• Pilot project: vaccinating close contacts of cases engaged in contact tracing

• Thank-you gift cards for completing case investigation interviews

• Partnerships with Parks After Dark, McDonald’s, YMCA, and others to bring vaccinations to community events


Covid Among Fully Vaccinated People in LACAs of July 13, 2021

4,769,828 fully vaccinated

4,122 tested positive

213 hospitalized

26 died

Of fully vaccinated people:• 0.09% tested positive • 0.0045% hospitalized for Covid • 0.0005% died


Protecting Children from Covid

• New K-12 guidance from state requiring everyone inside schools to wear a face covering

• The risk to children for severe illness and hospitalization is low but not zero

• Preventing transmission in children prevents transmission in adults


Planning to Vaccinate Schoolchildren with Pfizer

2nd

1st


• Enter the sweepstakes to win entrance to one of 7 sets of event tickets• 1st and 2nd-dose recipients

• Enter the sweepstakes by getting your vaccine between this Friday and next Thursday at:• LA County sites• LA City sites• St. John’s Well Child and Family Center sites• More sites to come

• Go to VaccinateLACounty.com to find a location near you

• THANK YOU TO THE STAPLES CENTER!

To Thank You for Getting Vaccinated

cdc indicators and thresholds for community transmission

Documents