Funding for this research was provided by:
National Institute of Allergy and Infectious Diseases (AI147903, AI145666)
Received: 23 September 2020
Revised: 30 November 2020
Accepted: 23 December 2020
First Online: 7 January 2021
Ethics approval and consent to participate
: Use of blood samples in the studies was approved by IRB of the University of Texas Medical Branch. Informed consent was obtained from all subjects prior to their participation in the studies.
: Not applicable.
: The authors declare that they have no competing interests.