What is olive leaf extract good for?

I was wondering what people use olive leaf extract for and if it is any good?

The leaf offers at least some relief, if not complete recovery, from the entire rogues’ gallery of microbial ailments — pneumonia, gonorrhea, tuberculosis, influenza, viral encephalitis, viral meningitis, hepatitis B, shingles, herpes and Epstein-Barr. It’s also a worthwhile treatment for urinary infections, surgical infections and any sort of bacterial infection. But olive oil also destroys yeast infections at the same time

Olive Oil: Besides being good for you in general (as part of the Mediterranean diet), according to Kalman the monounsaturated fat in olive oil prevents muscle breakdown and weakness. The extra-virgin variety has a higher level of vitamin E.