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The development of influenza candidate vaccine viruses (CVVs) for pre-pandemic vaccine production represents a critical step in pandemic preparedness. The multiple subtypes and clades of avian or swine origin influenza viruses circulating world-wide at any one time necessitates the continuous generation of CVVs to provide an advanced starting point should a novel zoonotic virus cross the species barrier...
H7 subtype influenza viruses have demonstrated an ocular tropism in humans, causing conjunctivitis and not respiratory symptoms in many infected individuals. However, the molecular determinants which confer ocular tropism are still poorly understood. Here, we used a murine model of ocular inoculation to demonstrate that H7 influenza viruses are more likely to cause infection following ocular exposure...
A comparative study of the ability of three low-pathogenic avian influenza virus (LPAIV) isolates to be transmitted from duck to duck was performed. Pekin ducks were inoculated with two LPAIV isolates from chickens (A/Ck/PA/13609/93 [H5N2], H5N2-Ck; A/Ck/TX/167280-4/02 [H5N3], H5N3-Ck) and one isolate from a wild bird (A/Mute Swan/ MI/451072/06 [H5N1], H5N1-WB). During the establishment of the passage...
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