About the Authors

José Esparza

Affiliation Institute of Human Virology, University of Maryland School of Medicine, Baltimore, Maryland, United States of America

Andreas Nitsche

Affiliation Centre for Biological Threats and Special Pathogens 1 –Highly Pathogenic Viruses & German Consultant Laboratory for Poxviruses & WHO Collaborating Centre for Emerging Infections and Biological Threats, Robert Koch Institute, Berlin, Germany

Clarissa R. Damaso


Affiliation Laboratório de Biologia Molecular de Virus, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil

Competing Interests

The authors have declared that no competing interests exist.