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Article

Minimal molecular constraints for respiratory droplet transmission of an avian-human H9N2 influenza A virus.

Proceedings of the National Academy of Sciences of the United States of America - 5 May 2009

Sorrell Erin M, Wan Hongquan, Araya Yonas, Song Haichen, Perez Daniel R

Abstract excerpt

Pandemic influenza requires interspecies transmission of an influenza virus with a novel hemagglutinin (HA) subtytpe that can adapt to its new host through either reassortment or point mutations and transmit by aerosolized respiratory droplets. Two previous pandemics of 1957 and 1968 resulted from the reassortment of low pathogenic avian viruses and human subtypes of that period; however, conditions leading to a...

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Source

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Identifiers

PMID: 19380727
DOI: 10.1073/pnas.0900877106
PMCID: PMC2670882

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 5 Sept 2026. Manifest publication-graph-cohort-2026-09-05.1.

Source receipt: pubmed, retrieved 5 Sept 2026.

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