Yes, elderberry. But don't forget benadryl, it is very affordable at Costco (generic) There are persuasive opinions of both with this designer flu. I lost some valuable info recently when my laptop broke- anyway, if one does not work the other may well. Somehow histamines are involved, and whacking them allows people to breathe.
Also, it appears that allowing the fever to blaze away is good, as long as it doesn't get over 104 degrees, or 103.
Lots of people are sick. October is rumored to be serious.