Which species is explicitly noted as being susceptible to infection with human influenza virus?

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Multiple Choice

Which species is explicitly noted as being susceptible to infection with human influenza virus?

Explanation:
Susceptibility to human influenza virus depends on receptor compatibility in the respiratory tract. Ferrets have a distribution of sialic acid receptors, specifically alpha-2,6-linked receptors, that closely matches humans. This allows human influenza viruses to bind, enter cells, and replicate efficiently, leading to infection, typical symptoms, and even transmission between animals. Because of this similarity, ferrets are explicitly noted as susceptible to human influenza viruses and are widely used as a model to study infection and transmission. Rabbits can be infected but are not as consistently susceptible or as representative for human influenza studies; dogs and gerbils are not standardly recognized as reliable hosts for human influenza strains.

Susceptibility to human influenza virus depends on receptor compatibility in the respiratory tract. Ferrets have a distribution of sialic acid receptors, specifically alpha-2,6-linked receptors, that closely matches humans. This allows human influenza viruses to bind, enter cells, and replicate efficiently, leading to infection, typical symptoms, and even transmission between animals. Because of this similarity, ferrets are explicitly noted as susceptible to human influenza viruses and are widely used as a model to study infection and transmission. Rabbits can be infected but are not as consistently susceptible or as representative for human influenza studies; dogs and gerbils are not standardly recognized as reliable hosts for human influenza strains.

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