ACPV Practice Questions - ACPV American College Of Poultry Veterinarians Exam

What molecular feature most reliably distinguishes HPAI from LPAI strains of H5 or H7 influenza viruses?

Neuraminidase stalk length Multiple basic amino acids at the HA cleavage site PB2 627K mutation M2 ion channel composition

Multiple basic amino acids at the HA cleavage site

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