Funding for this research was provided by:
National Institute of Allergy and Infectious Diseases (R21AI073615, R01AI088750, R01AI128912)
Merck Sharp and Dohme (LKRD119165)
Received: 13 January 2020
Accepted: 20 March 2020
First Online: 8 April 2020
Ethics approval and consent to participate
: Research conducted with human sera was approved by the Virginia Commonwealth University Committee for the Conduct of Human Research.
: All authors consent to publish.
: The authors declare that they have no competing interests.