Grow very slowly and incubation period is very long; at least 10 years before symptoms develop. This make it hard to detect until the first case appear.
Grow very slowly and incubation period is very long; at least 10 years before symptoms develop. This make it hard to detect until the first case appear.Ex: Creutzfeldt-Jakob disease (CJD) Bovine spongiform encephalopathy (BSE)---Mad Cow Disease