claim: sars-cov-2 in-vitro neutralization assay reveals enhancement of virus entry by iota-carrageenan
evidence_1: in vitro data on iota-carrageenan against various rhino- and coronaviruses showed similar ic50 values and translated readily into clinical effectiveness when a nasal spray containing iota-carrageenan demonstrated a reduction in severity and duration of symptoms of common cold caused by various respiratory viruses.", "accordingly, our in vitro data on sspl suggest that administration of iota-carrageenan may be an effective and safe prophylaxis or treatment for sars-cov-2 infections.")