Mikheeva, O. O.
Kostromina, M. A.
Lykoshin, D. D.
Tereshin, M. N.
Zavriev, S. K.
Svirshchevskaya, E. V.
Khlgatyan, S. V.
Esipov, R. S.
Article History
Received: 7 April 2020
Revised: 18 April 2020
Accepted: 24 April 2020
First Online: 28 December 2020
COMPLIANCE WITH ETHICAL STANDARDS
: The article contains no studies involving animals as subjects of the study.
: Sera were obtained from volunteers who gave their consent in Mechnikov Research Institute for Vaccines and Sera (Moscow, Russia).
: The authors declare they have no conflicts of interests.