Serological evidence and factors associated with Crimean-Congo haemorrhagic fever in sheep in Burkina Faso.

Background: Crimean-Congo haemorrhagic fever (CCHF) is caused by an orthonairovirus transmitted by bites from infected ticks or by direct contact with blood or tissues of infected ticks, viraemic patients or viraemic livestock.

Objective: It was implemented to access the seropositivity and associated factors with CCHF in sheep in two provinces in Burkina Faso.

Methods: Three hundred and sixty-four sheep sera have been taken from 73 herds in four municipalities and two provinces.