Hi @lisa53, you're absolutely right. New members have a trial period before being able to post links. We do this to discourage spammers.

I reviewed the website you wanted to post and it is indeed very helpful and a legitimate resource that I'm sure members of this discussion group will find useful. Here it is

- Understanding Epstein-Barr Virus (EBV) Antibody Tests https://labtestsonline.org/tests/epstein-barr-virus-ebv-antibody-tests