Mad cow disease: Timeline of how it affects humans as case confirmed on Scottish farm
![Mad cow disease: Timeline of how it affects humans as case confirmed on Scottish farm](https://i2-prod.mirror.co.uk/incoming/article32782328.ece/ALTERNATES/s615/0_FILES-This-undated-handout-photo-sh.jpg)
A case of mad cow disease, also known as BSE, has been detected at a farm in Scotland - we have explained the key symptoms to look out for with the human version of the diseas, vCJD