HIV antibody 1 and 2

When should some one be considered Hiv Negative after exposure when antibody only and Duo combo tests used?

Is a HIV negative blood test (antibody test) after 6 month from exposure conclusive? Or should I take another one.

Im concern i had labs drawn and one of the test hiv-1 antibody value <1.00 and range <1.00 but the result says "negative". What doea this mean?

Hiv antibody test at 6 weeks post possible exposure. How accurate? Symptoms strated after one day of exposure with night sweats.

I had only one exposure(handjob from massage parlor). Done elisa antibody at 1 month, 3 month, 16th month and 4th gen combo at 17th and 18th month. HIV1 &2 pcr rna at 18th month. All are negative. Are my hiv test results are 100 percentage conclusive?

On prednisone for two weeks. Can I do a hiv viral load test and antibody test to rule out hiv for exposure 1 year back? Diagnosed with Bell's palsy.

Can hiv symptoms, such as night sweats and mild fever appear after one day post possible exposure? and when antibody tests can detect it?

Is a negative HIV person, diagnosed with low lymphocytes T4 and t8 cells, still able to produce HCV antibodies after 1 year of one possible exposure ?

Which one is realible HIV symptoms(continious fever, lymphnodes, thrush,rash, dry mouth) vs 7 month antibody tests???

Swollen axillary nodes, ulcer on the side and hairy tongue, no fever, no pain. 8 years hiv possible exposure, and just had 4 oraquick check all negative and one 4th gen test in lab non reactive. Should I do hiv rna test too. Can antibody disappear?