एइसआइभिआ फोलेरारि सोलायस्लु बेराम आरो बेयो गुबुन गुबुन फोलेराव थायो जाय गुबुन गुबुन बेराम फाहामथाय दावगानाय हारनि जाहोन ।
HIV is genetically variable and exists as different strains, which cause different rates of clinical disease progression.