1.   The hepatitis B antigen is found in blood, saliva, urine, semen, vaginal secretions and possibly other body fluids.

2.   But HIV infects only T- helper lymphocytes, a part of the immune system that the virus reaches via blood, semen or vaginal secretions.

3.   But the tampons turned out to be too crude to measure the amount of vaginal secretions.

4.   In addition to clearing nasal passages, OTC antihistamines and decongestants may dry up vaginal secretions, making intercourse uncomfortable.

5.   Immunoglobulin A proteins guard body openings like the vagina, and they were found in urine and vaginal secretions.

6.   Infected women have higher levels of HIV in their vaginal secretions, and infected men carry more in their semen.