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  • Title: Projecting the impact of an ebola virus outbreak on endangered mountain gorillas.
    Author: Zimmerman DM, Hardgrove E, Sullivan S, Mitchell S, Kambale E, Nziza J, Ssebide B, Shalukoma C, Cranfield M, Pandit PS, Troth SP, Callicrate T, Miller P, Gilardi K, Lacy RC.
    Journal: Sci Rep; 2023 Apr 07; 13(1):5675. PubMed ID: 37029156.
    Abstract:
    Ebola virus is highly lethal for great apes. Estimated mortality rates up to 98% have reduced the global gorilla population by approximately one-third. As mountain gorillas (Gorilla beringei beringei) are endangered, with just over 1000 individuals remaining in the world, an outbreak could decimate the population. Simulation modeling was used to evaluate the potential impact of an Ebola virus outbreak on the mountain gorilla population of the Virunga Massif. Findings indicate that estimated contact rates among gorilla groups are high enough to allow rapid spread of Ebola, with less than 20% of the population projected to survive at 100 days post-infection of just one gorilla. Despite increasing survival with vaccination, no modeled vaccination strategy prevented widespread infection. However, the model projected that survival rates greater than 50% could be achieved by vaccinating at least half the habituated gorillas within 3 weeks of the first infectious individual.
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