*Once only found in Africa, but since 1987 has recurred in Spain and Portugal
*Once only found in Africa, but since 1987 has recurred in Spain and Portugal
*Not present currently in the UK but global warming may expand midge breeding grounds
*Not present currently in the UK but global warming may expand midge breeding grounds
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[[Image:Lung oedema in African horse sickness.jpg|right|thumb|100px|<small><center>Lung oedema in African horse sickness (Image sourced from Bristol Biomed Image Archive with permission)</center></small>]]
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*Caused by [[Reoviridae|orbivirus]], family reoviridae
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*Respiratory distress or cardiovascular failure
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*Rapid death due to massive [[Lungs Circulatory - Pathology#Pulmonary oedema|pulmonary oedema]]
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*[[Pleural Cavity & Membranes Degenerative - Pathology#Hydrothorax|Hydrothorax]] may also develop