Enkele symptomen:
Voor degene die denken dat hun paard het heel misschien wel overleefd
(Vochtophoping boven de ogen, door de druk worden de ogen uit de kas geduwd)

(Vocht in de longen, paard is hier overleden, vocht loopt uit de longen)
Symptoms
The disease manifests in three ways, namely the lung form, the heart form and the mixed form. The lung (dunkop) form is characterised in the following manner:
very high fever (up to 41 degrees).
difficulty in breathing, with mouth open and head hanging down.
frothy discharge may pour from the nose.
sudden onset of death.
very high death rate (90%).
The heart (dikkop) form is characterised in the following manner:
fever, followed by swelling of the head and eyes.
in severe cases, the entire head swells (“dikkop”).
loss of ability to swallow and possible colic symptoms may occur.
terminal signs include bleeding (of pinpoint size) in the membranes of the mouth and eyes.
Slower onset of death, occurring 4 to 8 days after the fever has started.
Lower death rate (50%).
The mixed form is characterised by symptoms of both the dunkop and dikkop forms of the disease.