In vitro virucidal activity of Echinaforce®, an Echinacea purpurea preparation, against coronaviruses, including common cold coronavirus 229E and SARS-CoV-2.
Virol J. 2020 Sep 9;17(1):136. doi: 10.1186/s12985-020-01401-2.
Virol J. 2020.
PMID: 32907596
Free PMC article.