The World Health Organization confirmed that more than 1,000 people who had contact with confirmed Ebola cases are under active follow-up in Ituri Province, Democratic Republic of the Congo.
Contact tracing remains a cornerstone of Ebola containment efforts.
Contacts are monitored for symptoms during the virus incubation period and isolated if they become ill.
Ituri Province has reported confirmed Ebola cases linked to the Bundibugyo outbreak.
WHO field teams work with local health workers to visit contacts daily or on scheduled intervals.
The figure of more than 1,000 contacts reflects the scale of transmission chains under investigation as of May 24.
Surveillance intensity aims to detect new cases before widespread secondary spread occurs.
Contacts include family members, caregivers and others exposed to confirmed patients.
Vaccination of contacts and frontline workers supplements tracing efforts where vaccines are available.
WHO updates contact numbers regularly as new cases are confirmed and others complete monitoring periods.
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Sources:
https://www.ecdc.europa.eu/en/ebola-virus-disease-outbreak-democratic-republic-congo-and-uganda