reassortment


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reassortment

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Although the child from whom the NSP2 reassortment specimen was obtained had been vaccinated with a complete regimen of 3 doses of RotaTeq in 2007, no other RotaTeq genes could be detected in the fecal sample.
Together, these findings illustrate that single reassortment events or mutations can lead to the emergence of transmissible variants of pandemic 2009 or seasonal A(H1N1) viruses unresponsive to most, if not all, of our currently available drugs.
The results don't mean that those viruses aren't exchanging genes, Perez says, as low levels of reassortment could go undetected.
The 1957 "Asian flu" pandemic, on the other hand, emerged as a result of reassortment.
The current pandemic influenza (H1N1) 2009 virus arose from a subsequent reassortment event from the triple reassortant swine influenza A (H1N1) virus.
The new virus and the evolving pandemic situation: The novel influenza A (H1N1) virus has the genetic structure resulting from reassortment of genes from four influenza viruses viz.
It appears to be a particularly adaptive reassortment of H1N1, H1N2 and H3N2 strains.
25% to 1% Greater than 1% (in general population of Western countries): Type: H5N1 Reassortment H5N1 Reassortment Infectiousness 2.
The first is by a process called reassortment - when genetic material is exchanged between human and avian viruses during co-infection of a human.
It changes by genetic mutation or reassortment during viral replication.
These infections have raised the level of concern by human health agencies for the potential reassortment of influenza virus genes and generation of the next human pandemic influenza A virus.
Reassortment, the traditional method of seed virus production, has been around for more than 50 years and remains in almost universal use, particularly in the production of annual seasonal flu vaccines.