Volume 23, Number 12—December 2017
Lack of Secondary Transmission of Ebola Virus from Healthcare Worker to 238 Contacts, United Kingdom, December 2014
||No. contacts by exposure category
|1; No direct contact
||2; Direct contact with low risk for exposure
||3; Direct contact with high risk for exposure
|LHR PHE screeners||4||0||0||4|
|LHR Border Force||7||0||0||7|
|Summary of public health action||Risk assessment questionnaire completed; provided telephone advice on symptoms of EVD; action to take if they had fever or symptoms consistent with EVD in the 21 d after their most recent exposure; advised that there was no reason to stop their day-to-day activities during the surveillance period provided they remained well; advised that their family and household contacts were not at risk for EVD if contact remained asymptomatic||As for category 1 plus provided written advice and a temperature monitoring kit, advised to take their temperature twice a day and to contact the local public health team if they had a fever or symptoms consistent with EVD in the 21 d after their most recent exposure; advised to delay any nonessential healthcare treatment until after the 21-d period; local public health teams assessed the contact after 21 d and reported their completion of public health follow-up||As for category 2 plus required to contact the local public health team daily to report their temperature and advised not to undertake healthcare activity; if contact was not made, the local public health team contacted them||NA|
*In England a home visit was attempted if no telephone contact was possible. EVD, Ebola virus disease; LHR, London Heathrow Airport; NA, not applicable; PHE, Public Health England.
†Includes 3 cabin staff and 4 land customer services staff.
‡Includes 2 doctors and 2 nurses who provided dedicated care to the patient while in the specialist infectious diseases unit.
§Reflects overall number of persons categorized according to their highest category, including those categorized because of their healthcare work contact in Sierra Leone. Numbers in each category do not represent a sum of a column.
¶29 contacts who flew from Casablanca–LHR were classified as category 3 because of their healthcare-related activity in West Africa.