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  1. Jun 27, 2021 · In summary, sheep and bovines are both susceptible for Nairobi sheep disease orthonairovirus. Whereas sheep develop severe clinical signs, viremia and shedding of the virus, the course of infection in bovines is only subclinical.

  2. Key Points. Nairobi sheep disease is a systemic viral illness of small ruminants with a high case fatality rate in naive animals. Outbreaks have been associated with movement of naive animals into endemic areas or expansion of the tick vector's range during favorable climatic events.

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  4. Aug 29, 2001 · Last Updated: June 2016. Minor Edits: June 2020. Importance. Nairobi sheep disease is a one of the most pathogenic diseases of small ruminants. In susceptible animals, this tick-borne viral infection results in a hemorrhagic gastroenteritis with very high morbidity and mortality rates.

  5. Jul 13, 2021 · Sheep and cattle are not susceptible: Subclinical infection in sheep and bovines: Severe disease in sheep Subclinical infection in bovines: Sero-conversion: No: Yes bovines > ovines: Yes ovines > bovines: Reference

  6. Jun 27, 2021 · Nairobi sheep disease orthonairovirus (NSDV) is a zoonotic tick-borne arbovirus, which causes severe gastroenteritis in small ruminants. To date, the virus is prevalent in East Africa and Asia. However, due to climate change, including the spread of transmitting tick vectors and increased animal movements, it is likely that the distribution ...