5. What are the barrier methods that a woman can use? What should always be
used in combination with the diaphragm and cervical cap? Do all these types
of barrier methods prevent sexually transmitted infections, or STDs?

In addition, sperm receive a chemical fluid from the

Explain what causes the skin to burn in the sun? explain why people should avoid the sun if taking a photosensitive medication?

If scientists are trying to use what they know about hsv to devise a means of protecting other people from being infected, which of the following would have the best chance of lowering the number of new cases of infection? a) vaccinate of all persons with preexisting cases of hsvb) interfere with new viral replication in preexisting cases of hsvc) treat hsv lesions to shorten the breakoutd) educate people about avoiding sources of infection