Contact Tracing Statistics
In contact tracing, public health staff work with an individual who has a positive test for COVID-19 to help them recall everyone with whom they have had close contact during the timeframe while they may have been infectious. Read more about Delaware's contact tracing plan
June 27 - September 17
Represents all data since the launch of the current contact tracing system. Earlier cases were investigated and contact traced using a different system.
Total contacts named
167,080
Contacts reached
89,862
54%
of total contacts named
Avg. contacts per case
2.4
Cases with known exposure to another case
28,265
24%
of total positive cases
Total positive cases
Reported June 27 - September 17.116,406
5,002
4%
of total positive cases
Cases not eligible for interview
- Incarcerated cases: 1344
- Hospitalized cases: 1917
- Long-term care cases: 1741
Cases eligible for interview
No attempt is made to interview incarcerated persons, hospitalized persons, and long-term care residents because these individuals are monitored by the institutions responsible for their care.111,404
96%
of total positive cases
23,788
21%
of cases eligible for interview
Cases without a validated phone number
Phone numbers that are originally provided may not always be correct or current and are therefore evaluated for validity. Only valid phone numbers (work, home, cell, etc.) are counted on this dashboard. New efforts to obtain and validate phone numbers are being explored.Cases with a valid phone number
87,616
79%
of cases eligible for interview
23,491
21%
of cases eligible for interview
Cases not reached
Not all those eligible for interview are reached.Reasons why people aren't reached right away:- Person is unavailable or busy
- Interviewer gets no answer, voice mail, or busy signal
- Interviewer is told they have the wrong number, is disconnected, or gets fast busy signal
- Person is determined to be hospitalized or incapacitated
- Person fails to verify their identity on the phone
- Person is determined to be deceased
Cases reached
Includes cases that could not be reached by phone that were reached by field teams. Cases reached within 24 hours: 58791 or 67%87,913
79%
of cases eligible for interview
17,256
20%
of cases reached
Cases who did not complete interview
Not all those who are reached are interviewed immediately.Reasons for a delayed interview:- Person is hard of hearing, will be interviewed by an ESL interpreter in person
- Person has a language barrier, will be interviewed by the appropriate interpreter
- Person was busy, made an appointment for a later time
- Person did not consent to being interviewed
- Person refused to speak with interviewer
- Person told interviewer they never tested positive
Cases who completed interview
70,657
80%
of cases reached
23,751
34%
of cases who completed interview
Cases who named no contacts
Cases who named at least one contact
46,906
66%
of cases who completed interview
Total contacts named
167,080
77,814
47%
of total contacts named
Contacts without a valid phone number
Phone numbers that are originally provided may not always be correct or current and are therefore evaluated for validity. Only valid phone numbers (work, home, cell, etc.) are counted on this dashboard. New efforts to obtain and validate phone numbers are being explored.Contacts with a valid phone number
89,266
53%
of total contacts named
77,218
46%
of total contacts named
Contacts not reached
Not all those eligible for interview are reached.Reasons why people aren't reached right away:- Person is unavailable or busy
- Interviewer gets no answer, voice mail, or busy signal
- Interviewer is told they have the wrong number, is disconnected, or gets fast busy signal
- Person is determined to be hospitalized or incapacitated
- Person fails to verify their identity on the phone
- Person is determined to be deceased
Contacts reached
Includes contacts that could not be reached by phone that were reached by field teams.89,862
54%
of total contacts named
18,842
21%
of contacts reached
Contacts who did not complete interview
Not all those who are reached are interviewed immediately.Reasons for a delayed interview:- Person is hard of hearing, will be interviewed by an ESL interpreter in person
- Person has a language barrier, will be interviewed by the appropriate interpreter
- Person was busy, made an appointment for a later time
- Person did not consent to being interviewed
- Person refused to speak with interviewer
Contacts who completed interview
71,020
79%
of contacts reached
67,944
96%
of contacts who completed interview
Contacts not known to be tested or tested negative
Contacts are encouraged but not required to get tested. Contacts known to be tested and tested negative: 660 or 1% Contacts not known to be tested: 67284 or 95%Contacts known to be tested and tested positive
Contacts are asked by the interviewer if they have been tested for COVID.3,076
4%
of contacts who completed interview
Help us trace the virus: Answer the call
Additional ways you can help:
- Provide a valid, up-to-date phone number when you get tested, so we have the best contact information to reach you.
- Ensure your doctor has your current phone number on file if you get tested by your primary care provider.
- If you test positive, start thinking about the people you have had close contact with recently.
- If you get a call from (302) 446-4262, or your caller ID says DE PUBLICHEALTH, that’s a representative from the Delaware Contact Tracing Program calling to give you important information about your health. Please answer the call and take the time to speak with our contact tracers.
