About the Authors

Martina Morokutti-Kurz

Roles Conceptualization, Data curation, Formal analysis, Methodology, Writing – original draft, Writing – review & editing

Affiliation Marinomed Biotech AG, Korneuburg, Austria

Maria Fröba

Roles Data curation, Formal analysis, Investigation, Methodology, Writing – review & editing

Affiliation Institute of Virology, Friedrich-Alexander University Erlangen-Nürnberg (FAU), Erlangen, Germany

Philipp Graf

Roles Data curation, Formal analysis, Investigation

Affiliation Marinomed Biotech AG, Korneuburg, Austria

Maximilian Große

Roles Data curation, Formal analysis, Investigation, Writing – review & editing

Affiliation Institute of Virology, Friedrich-Alexander University Erlangen-Nürnberg (FAU), Erlangen, Germany

Andreas Grassauer

Roles Conceptualization, Formal analysis, Funding acquisition, Resources, Writing – original draft, Writing – review & editing

Affiliation Marinomed Biotech AG, Korneuburg, Austria

Janina Auth

Roles Data curation, Formal analysis, Investigation, Methodology, Project administration, Resources

Affiliation Institute of Virology, Friedrich-Alexander University Erlangen-Nürnberg (FAU), Erlangen, Germany

Ulrich Schubert

Roles Conceptualization, Data curation, Funding acquisition, Methodology, Resources, Supervision, Writing – original draft, Writing – review & editing

Affiliation Institute of Virology, Friedrich-Alexander University Erlangen-Nürnberg (FAU), Erlangen, Germany

Eva Prieschl-Grassauer

Roles Conceptualization, Data curation, Funding acquisition, Project administration, Resources, Software, Validation, Visualization, Writing – original draft, Writing – review & editing

eva.prieschl@marinomed.com

Affiliation Marinomed Biotech AG, Korneuburg, Austria

Competing Interests

The authors have read the journal’s policy and declare that the authors Andreas Grassauer, Eva Prieschl-Grassauer, Philipp Graf, and Martina Morokutti-Kurz are are employed by Marinomed Biotech AG. Andreas Grassauer and Eva Prieschl-Grassauer are co-founders of Marinomed Biotech AG. Andreas Grassauer, Eva Prieschl-Grassauer and Martina Morokutti-Kurz are inventors of a patent submission related to the content of the manuscript; the number of this patent application is EP20186334. Several over-the-counter products containing iota-carrageenan are available in 40 countries under different brand names. For these products Marinomed Biotech AG declares a financial interest. This does not alter the authors’ adherence to all the PLOS ONE policies on sharing data and materials.