Review of global rotavirus strain prevalence data from six years post vaccine licensure surveillance : is there evidence of strain selection from vaccine pressure?
Copyright © 2014 Elsevier B.V. All rights reserved..
Comprehensive reviews of pre licensure rotavirus strain prevalence data indicated the global importance of six rotavirus genotypes, G1P[8], G2P[4], G3P[8], G4P[8], G9P[8] and G12P[8]. Since 2006, two vaccines, the monovalent Rotarix (RV1) and the pentavalent RotaTeq (RV5) have been available in over 100 countries worldwide. Of these, 60 countries have already introduced either RV1 or RV5 in their national immunization programs. Post licensure vaccine effectiveness is closely monitored worldwide. This review aimed at describing the global changes in rotavirus strain prevalence over time. The genotype distribution of the nearly 47,000 strains that were characterized during 2007-2012 showed similar picture to that seen in the preceding period. An intriguing finding was the transient predominance of heterotypic strains, mainly in countries using RV1. Unusual and novel antigen combinations continue to emerge, including some causing local outbreaks, even in vaccinated populations. In addition, vaccine strains have been found in both vaccinated infants and their contacts and there is evidence for genetic interaction between vaccine and wild-type strains. In conclusion, the post-vaccine introduction strain prevalence data do not show any consistent pattern indicative of selection pressure resulting from vaccine use, although the increased detection rate of heterotypic G2P[4] strains in some countries following RV1 vaccination is unusual and this issue requires further monitoring.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2014 |
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| Erschienen: |
2014 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:28 |
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| Enthalten in: |
Infection, genetics and evolution : journal of molecular epidemiology and evolutionary genetics in infectious diseases - 28(2014) vom: 07. Dez., Seite 446-61 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Dóró, Renáta [VerfasserIn] |
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| Links: |
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| Themen: |
Genotype |
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| Anmerkungen: |
Date Completed 12.05.2016 Date Revised 18.03.2022 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.meegid.2014.08.017 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 520 | |a Copyright © 2014 Elsevier B.V. All rights reserved. | ||
| 520 | |a Comprehensive reviews of pre licensure rotavirus strain prevalence data indicated the global importance of six rotavirus genotypes, G1P[8], G2P[4], G3P[8], G4P[8], G9P[8] and G12P[8]. Since 2006, two vaccines, the monovalent Rotarix (RV1) and the pentavalent RotaTeq (RV5) have been available in over 100 countries worldwide. Of these, 60 countries have already introduced either RV1 or RV5 in their national immunization programs. Post licensure vaccine effectiveness is closely monitored worldwide. This review aimed at describing the global changes in rotavirus strain prevalence over time. The genotype distribution of the nearly 47,000 strains that were characterized during 2007-2012 showed similar picture to that seen in the preceding period. An intriguing finding was the transient predominance of heterotypic strains, mainly in countries using RV1. Unusual and novel antigen combinations continue to emerge, including some causing local outbreaks, even in vaccinated populations. In addition, vaccine strains have been found in both vaccinated infants and their contacts and there is evidence for genetic interaction between vaccine and wild-type strains. In conclusion, the post-vaccine introduction strain prevalence data do not show any consistent pattern indicative of selection pressure resulting from vaccine use, although the increased detection rate of heterotypic G2P[4] strains in some countries following RV1 vaccination is unusual and this issue requires further monitoring | ||
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| 700 | 1 | |a Gentsch, Jon |e verfasserin |4 aut | |
| 700 | 1 | |a Parashar, Umesh |e verfasserin |4 aut | |
| 700 | 1 | |a Bányai, Krisztián |e verfasserin |4 aut | |
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