Ebola virus disease outbreak in Democratic Republic of Congo

Ebola virus disease outbreak in Democratic Republic of Congo

January 21, 2019

The second largest Ebola virus disease (EVD) outbreak recorded to date, is being reported from the Democratic Republic of Congo (DRC). The country was affected by EVD earlier in 2018, when 54 cases of EVD with 33 deaths were reported from the Équateur Province, located towards the western border of the country. Shortly after the end of this outbreak was reported (http://apps.who.int/iris/bitstream/handle/10665/273348/SITREP_EVD_DRC_20180725-eng.pdf?ua=1), a second outbreak of EVD was reported from the eastern borders of the country (http://www.who.int/ebola/situation-reports/drc-2018/en/).

Genomic sequencing of Ebola viruses associated with the two outbreaks confirmed that the outbreaks were unlinked. By 15 January 2019, total of 663 cases of hemorrhagic fever have been identified, of which 407 had a fatal outcome. Laboratory testing confirmed EVD for 614 of the cases investigated, with 49 cases remaining probable (i.e. not laboratory confirmed) (http://www.who.int/ebola/situation-reports/drc-2018/en/). By 6 January 2019, 55 confirmed cases involved health care workers, of which 18 had a fatal outcome.

The cases have been reported from the health zones of the North Kivu and Ituri Provinces, located towards the eastern border of the DRC. This is a remote and conflicted location in the DRC, located more than 3000 Km from the capital Kinshasa (https://www.afro.who.int/news/who-calls-free-and-secure-access-responding-ebola-outbreak-democratic-republic-congo), but in close proximity to borders with Uganda, South Sudan and Rwanda. Cases reported from the Beni health zone, North Kivu Province account for nearly half of the cases reported to date.

Containment efforts, including ring vaccination and strengthening of cross-border surveillance, continues to be mobilized and strengthened (https://www.who.int/ebola/situation-reports/drc-2018/en/), despite many challenges faced. By 6 January 2019, nearly 60 000 persons have been vaccinated using an experimental Ebola vaccine. According to the WHO situation report dated 8 January 2019, there are no confirmed cases of cross-border spread associated with this outbreak. In addition, several experimental therapeutics are being used to treat patients under monitored emergency use protocols (http://apps.who.int/iris/bitstream/handle/10665/278978/SITREP_EVD_DRC_20190108-eng.pdf?ua=1 and http://www.who.int/ebola/drc-2018/treatments-approved-for-compassionate-use-update/en/ and http://www.who.int/news-room/detail/26-11-2018-democratic-republic-of-the-congo-begins-first-ever-multi-drug-ebola-trial).

Challenges to the containment efforts include ongoing violent conflict with displacement of large numbers of the local population (http://www.who.int/news-room/detail/17-11-2018-who-statement-on-latest-attacks-in-the-democratic-republic-of-the-congo).

WHO advises against any restriction of travel and trade to the Democratic Republic of the Congo based on the currently available information. WHO continues to monitor travel and trade measures in relation to this event. The regulations for evidence of a valid yellow fever vaccination certificate apply. Precautions against malaria should be applied as per routine practice. Malaria must be considered a high priority in the investigation and management of any febrile traveler.

On 18 January 2019, there has been no suspected or confirmed cases of EVD related to this outbreak in South Africa. The followed is emphasized at all levels to maintain epidemic preparedness and response capacity in the country, in the event of inadvertent cases being detected.

  1. Coordination
  • Maintain activation of Provincial Outbreak Response Teams and ensure capacity for preparedness and response is developed and sustained in accordance with the IHR (2005).
  1. Laboratory services
  • Ensure that key laboratories (NHLS laboratories linked to prioritized EVD hospitals, and private laboratories) have ongoing training and competency evaluations for VHF protocols and able to receive and handle such cases currently and in the foreseeable future.
  1. Case management, Infection prevention and control (IPC)
  • Ensure availability of appropriate PPEs
  • Maintain and monitor designated isolation facilities
  • Ensure ongoing IPC preparedness training
  1. Environment and Port Health Services
  • Alert all key stakeholders in the Port environment. Port Health must take a lead role on all health-related incidents at the Ports and respond to public health risks
  • Ensure adequate staffing (trained) at POEs with the required equipment needed.
  1. Emergency Medical Services
  • Assess Ebola PPE availability as per national guidelines and assist to source PPE
  • Assess training needs and facilitate training through various platforms
  • Develop SOP for disinfection of ambulance, contaminated areas etc.

 

Communicated by: National Institute for Communicable Diseases

 

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