8yoalow t and b cells, borderline reactive hep b, negative candida, low pneumococcus antibodies.referred to infectious disease dr. what can this be?

?: How is he doing otherwise, what promoted the dr to ask for those tests, is he having frequent hard to treat infections? At any rate could be something temporary , and vaccine non responders are not uncommon, the low T and B lymphocytes can be just part of low lymphocytes altogether for several reasons most are reversible, infectious disease consultant may seek an Immunologist input, goodluck