Inhibition of Several Strains of Influenza Virus in Vitro and Reduction of Symptoms by an Elderberry Extract {Sambucus nigra L.) during an Outbreak of Influenza B Panama

THE JOURNAL OF ALTERNATIVE AND COMPLEMENTARY MEDICINE (1995)
https://pubmed.ncbi.nlm.nih.gov/9395631/
Note: This article also includes a randomized clinical trial (summarized in that document).
- Use of elderberry syrup (Sambucol) blocked binding of virus to immune cell by binding to the virus
- Elderberry syrup inhibited viral replication in vitro (cellular experiment “in a dish”)
- Inhibition was dose-dependent
- Testing was done against a variety of flu strains.
Keywords: anti-viral, immune response