Dear all,
The expert doctors at medhelp always say that a combitest antigen / antibody is about 99% secure at 28 days (4 weeks). I am confused since it seems the antigen part of the test has to be taken at 28 days and not beyond?
The antigen is said to decline rapidly after its peak at 4 weeks, but how long would it still be detectable after that, only days or still some weeks?
Yesterday I found out that I had only an antibody test at 28 days, and not a combitest.
I did have a combitest at 6.5 weeks. Would that have been too late to pick up the antigen, making my combitest results meaningless (antigen gone already but too soon for antibody testing).
I have also read that the antigen test would not be reliable for people who are asymptomatic seroconvertors. It would not be present in those cases. Only if one is ill at seroconversion, it would present itself.
Please advice