A low IgG level for HSV-2 may indicate that the body has not developed enough antibodies to fight against the herpes simplex virus type 2 (HSV-2). IgG is an antibody produced by the immune system in response to a viral infection.

In terms of specific numerical values, what is considered a "low" IgG level can vary depending on the testing laboratory and their reference ranges. Generally speaking, if your test results show an IgG level below a certain threshold set by the lab, it might suggest recent or primary infection with HSV-2.

It's essential to consult with healthcare professionals or specialists who can interpret these test results accurately based on your individual situation. They will be able to provide you with further guidance and recommend appropriate steps based on your unique health needs.