Ebola Contact Tracing Study

Reducing Ebola virus transmission: Improving contact identification and tracing in Sierra Leone

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

PACTR

Registry ID

PACTR201501000963213

Enrollment

750

Registered

2014-12-07

Start date

2014-12-29

Completion date

Unknown

Last updated

2026-09-14

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Ebola Ebola

Interventions

Arm A: Electronic data capture and management by contact tracing supervisors only

Arm B: Electronic data capture and management by contact tracing supervisors and contact tracers

Control Group

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Contact of Probable or Confirmed Ebola case

Exclusion criteria

Exclusion criteria: Contact of Suspected Ebola case who turns out not to be a Probable or Confirmed Ebola case

Design outcomes

Primary

Measure	Time frame
Time from symptom onset to isolation in a contact who develops symptoms and is subsequently determined to be either a confirmed or probable Ebola case	—

Secondary

Measure	Time frame
Completeness, quality and timeliness of each step on the contact tracing cascade;Case fatality ratio among secondary cases;The number and proportion of contacts followed by a contact tracer daily to 21 days (or until symptom onset)	—

Countries

Sierra Leone

Contacts

Public ContactRachel Miles

Administrator (Ebola Contact Tracing Study)

rachel.miles@lshtm.ac.uk+44.20 7927 2579

Outcome results

None listed

Source: PACTR (via WHO ICTRP) · Data processed: Sep 19, 2026