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→Clinical Signs
== Clinical Signs ==
== Clinical Signs ==
Signs include pyrexia of 40 - 42<sup>0</sup>C, anorexia, depression, lethargy and excess lacrimation. Soon after this onset, dermatological signs begin to develop which appear as round circumscribed areas of erect hair measuring between 5 to 50mm in diameter. These lesions are raised and firm and they may be surrounded by a ring of haemorrhage. The regional superficial lymph nodes are enlarged and oedematous.
Signs include pyrexia of 40 - 42<sup>o</sup>C, anorexia, depression, lethargy and excess lacrimation. Soon after this onset, dermatological signs begin to develop which appear as round circumscribed areas of erect hair measuring between 5 to 50mm in diameter. These lesions are raised and firm and they may be surrounded by a ring of haemorrhage. The regional superficial lymph nodes are enlarged and oedematous.
Other signs include nasal discharge and ptyalism, which is thought to be due to lesions in the nose and mouth. Lesions can be found in the respiratory tract and alimentary tract and so can cause coughing, increased respiratory noises and diarrhoea. The lesions are often secondarily infected by bacteria causing any discharge to be purulent and pneumonia is a common sequelae of the disease. Lesions may eventually slough away to leave a hole of full skin thickness, known as "sitfast".
Other signs include nasal discharge and ptyalism, which is thought to be due to lesions in the nose and mouth. Lesions can be found in the respiratory tract and alimentary tract and so can cause coughing, increased respiratory noises and diarrhoea. The lesions are often secondarily infected by bacteria causing any discharge to be purulent and pneumonia is a common sequelae of the disease. Lesions may eventually slough away to leave a hole of full skin thickness, known as "sitfast".
== Diagnosis ==
== Diagnosis ==