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 .