Which of the following are examples of the physical and chemical nonspecific immune system?

physical: skin and enzymes; chemical: inflammation and fever
physical: skin and mucous membranes; chemical: tears and saliva
physical: stomach acids and enzymes; chemical: histamines and white blood cells
physical: inflammation and fever; chemical: white blood cells and histamines

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