There has been a recent in vitro study that was done using A Vogel Echinaforce vs the prevalent viruses that are here today. The findings are extremely exciting and so A Vogel company are doing a consumer/store staff webinar to discuss the results.
The published study link is below;
https://virologyj.biomedcentral.com/articles/10.1186/s12985-020-01401-2
You can register for it at www.avogel.ca