Korsun, Neli http://orcid.org/0000-0002-3188-2283
Trifonova, Ivelina
Voleva, Silvia
Grigorova, Iliyana
Angelova, Svetla
Funding for this research was provided by:
Ministry of Health in Bulgaria
National Science Foundation (Project DH 13-15/20.12.2017)
Article History
Received: 4 March 2021
Accepted: 4 June 2021
First Online: 22 June 2021
Declarations
:
: The authors declare they have no financial interests.
: This work was performed in line with The Code of Ethics of the World Medical Association (Declaration of Helsinki) for experiments involving humans. The study was approved by the Institutional Review Board/ Institutional Ethics Committee of the National Centre of Infectious and Parasitic Diseases (Number IRB 00006384).
: Written informed consent to participate in the study was obtained from all individual participants (or parents/ legal guardians in the case of children under 16) before specimen collection and testing.