Anionic Polysaccharides From Phototrophic Microorganisms Exhibit Antiviral Activities to Vaccinia Virus

Aleksandar Radonić^1#, Stefanie Thulke^2#, John Achenbach¹, Andreas Kurth¹, Anna Vreemann¹, Tanja König³, Christian Walter³, Kurt Possinger² and Andreas Nitsche^1*

¹Centre for Biological Security 1, Robert Koch-Institut, Berlin, Germany, E-mail: nitschea@rki.de

²Oncology – Hematology, Charité Universitätsmedizin Berlin, Berlin, Germany, E-mail: nitschea@rki.de

³Institute of Bioprocess Engineering, Universität Erlangen-Nürnberg, Germany, E-mail: nitschea@rki.de

^#Contributed equally to this work

^*Corresponding Author: Andreas Nitsche, Centre for Biological Security 1, Robert Koch-Institut, Nordufer 20, 13353 Berlin, Germany, Fax: +49 30 18754 2605 Email: