Uganda: 37 days since last confirmed Ebola case


by NewsDesk Laugh

The Ugandan Ministry of Health and the World Health Organization (WHO) report that it has been 37 days since the last confirmed case of Ebola virus disease (EVD) as of 3 January 2023.

Produced by the National Institute of Allergy and Infectious Diseases (NIAID), at very high magnification, this digital color electron microscopy (SEM) imaging depicts a filamentous particle of Ebola virus that has budded from the surface of a VERO cell in a monkey African green kidney epithelial cell line.

On 20 September 2022, Sudan’s Ministry of Health declared an outbreak of Ebola virus (SVD) after a case treated at Mubindi Regional Referral Hospital (MRRH) in Mubindi district was confirmed by a test at the Uganda Virus Research Institute (UVRI).

To date, 142 confirmed cases of EVD have been reported, including 55 deaths (39% of EVD cases).

To declare the outbreak over, no confirmed or probable cases of Ebola virus disease have been detected for 42 days (twice the maximum incubation period for Ebola infection) since last
Exposure to the latter case occurred.

After the 42-day period has elapsed and the outbreak is declared over, a combination of
Positive and negative surveillance should be maintained for at least 6 months because of the risk of re-emergence of Ebola virus disease through a reintroduction event or new emergence, and the potential for loss of a chain of transmission.

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Sudan viral disease is a serious and often fatal disease in humans. Sudan virus was first reported in South Sudan in June 1976, and since then the virus has appeared periodically and to date, seven outbreaks due to SUVs have been reported, four in Uganda and three in Sudan. Estimated case fatality rates from SVD have varied from 41% to 100% in previous outbreaks.

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