Abstract:
:Lassa virus (LASV) is responsible for the deaths of thousands of people in West Africa annually. Genetic diversity among LASV strains is the highest among the Arenaviridae and represents a great challenge for vaccine development. Guinea pigs vaccinated with a ML29 reassortant vaccine experienced sterilizing immunity and complete protection when challenged on day 30 either with homologous virus or with the distantly related Nigerian isolate. Simultaneous vaccination-challenge or challenge on day 2 after vaccination also protected 60-100% of the animals against both strains, but without sterilizing immunity. These results indicate that simultaneous replication of ML29 and LASV attenuates the virulence of LASV infection.
journal_name
Vaccinejournal_title
Vaccineauthors
Carrion R Jr,Patterson JL,Johnson C,Gonzales M,Moreira CR,Ticer A,Brasky K,Hubbard GB,Moshkoff D,Zapata J,Salvato MS,Lukashevich ISdoi
10.1016/j.vaccine.2007.02.038subject
Has Abstractpub_date
2007-05-16 00:00:00pages
4093-102issue
20eissn
0264-410Xissn
1873-2518pii
S0264-410X(07)00192-2journal_volume
25pub_type
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