https://www.hindawi.com/journals/ecam/2018/2606583/Check out the above article, which confirms what I've supposed for some years now.
Also check this article out:
https://www.preparedfoods.com/articles/109236-mulberries-may-fight-colds-and-fluI didn't know about the properties of white mulberries by 2011, but it definitely could have helped me then (albeit, the flu isn't what I'm thinking about there).
immune_systemflu_study_