Recent evidence findings

Evidence-grounded Research Brief · Past 3 months 7

Synthesizing linked evidence and source literature...

Generating an evidence-grounded brief with GPT-5...
2 source articles 3 hosts 0 countries
Publication date Category / type Key finding PMID
2026-08 Functional Mechanism Molecular Adaptation In H7N9 virus, the PA-X I94V mutation enhances viral polymerase activity and replication in mammalian cells. 42090884
2026-08 Experimental Infection Pathogenicity Experiment The PA/PA-X I94V mutation increases pathogenicity and viral fitness of H7N9 influenza A virus in mice. 42090884
2026-08 Genomic Evolution Phylogenetic Evolution Recent sequence analysis shows high variation at PA/PA-X site 94 in H5N1 and H7N9, with the PA-X I94V mutation becoming prevalent in recent human H7N9 viruses. 42090884
2026-08 Functional Mechanism Molecular Adaptation The PA-X I94V mutation in H7N9 modulates PA-X–mediated host shutoff, inhibiting antiviral and cell death–related responses. 42090884
2026-08 Experimental Infection Pathogenicity Experiment The PA/PA-X I94V mutation attenuates virulence of H7N9 influenza A virus in chickens. 42090884
2026-08 Experimental Infection Pathogenicity Experiment In PA-X–deficient H7N9 virus, adding the PA I94V mutation has no obvious effect on viral fitness in mice and chickens, implicating PA-X I94V in virulence modulation. 42090884
2026-07 Experimental Infection Pathogenicity Experiment In an in vitro human alveolar model, HPAI H5N1, H7N9, MERS-CoV, and SARS-CoV caused more severe impairment of alveolar fluid clearance than seasonal H1N1, H3N2, and influenza B viruses. 42397692
Evidence-grounded Research Brief · Past month 0

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Evidence-grounded Research Brief · Past week 0

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Evidence-related Animal

Evidence-related animal composition

20 animal taxa

Geographic evidence

Evidence distribution by country

3 countries

Temporal evidence

Evidence dynamics by year

110 year-type groups

Publication output

Source articles by month

160 months