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Updated: Jul 31, 2026

An In vitro Model to Study Immune Responses of Human Peripheral Blood Mononuclear Cells to Human Respiratory Syncytial Virus Infection
Published on: December 10, 2013
Ineffectiveness of echinacea for prevention of experimental rhinovirus colds
R B Turner1, D K Riker, J D Gangemi
1Department of Pediatrics, Medical University of South Carolina, Charleston 29425, USA. turnerr@musc.edu
Abstract:
The purpose of this study was to assess the effectiveness of echinacea for the prevention of experimental rhinovirus colds. Infection occurred in 44 and 57% and illness occurred in 36 and 43% of the echinacea- and placebo-treated subjects, respectively. This preparation of echinacea had no significant effect on either the occurrence of infection or the severity of illness.
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