Retrovirology. 2018 Sep 20;15(1):64. doi: 10.1186/s12977-018-0446-x.
Potent suppression of HIV-1 cell attachment by Kudzu root extract.
https://www.ncbi.nlm.nih.gov/pubmed/30236131
Does it produce fruit? I lived in NC for a short time, and couldn't believe how much was there, taking over everything that wasn't actively cleared (old sheds, houses, etc).
Seems like an invasive species turns out to be something worth looking into.
Zuul