Measures counteracting 2016 spread of vaccine-derived poliomyelitis virus type 2 in Russian Federation
Since April 2016 after global cessation of using trivalent oral poliovirus vaccine (tOPV) and switch to bivalent OPV consisting of polioviruses types 1 and 3 (the “switch”), any isolation of type 2 poliovirus has been regarded as an event of extreme importance requiring investigation, risk assessmen...
Main Authors: | , , , , , , , , , , , , , , , |
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Format: | Article |
Language: | Russian |
Published: |
Sankt-Peterburg : NIIÈM imeni Pastera
2020-04-01
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Series: | Infekciâ i Immunitet |
Subjects: | |
Online Access: | https://www.iimmun.ru/iimm/article/view/1303 |