Sir my exposure happen 8 months back and my first test rna qualitative, pcr after 12 days, it's not detected after 1 month western blot test, it's negative after 2 months viral load positive 268 per ml after 3 month elisa 4rth generation duo test its negative after 6 month again elias duo test its negative after 8 month tridot its negative so sir tell viral load saying I am infected so why not show up anybody after over 8 month how possible anybody negative after 8 month because maximum anybody window period its 6 month but I am test over 8 month its come non reactive sir I think I am taking wrong test from viral load because result value its very low sir tell me I am positive ya negative.