थामहिनबा मानसि लाना मानसि फाहामथायारि बेराम दावगानाय हारा नै हफ्तानिफ्राय नैजि बोसोरसिम गोबाङै गुबुन गुबुन जायो ।
However, the rate of clinical disease progression varies widely between individuals, from two weeks up to 20 years.