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Alexa D. Foss
Researcher at Tufts University
Publications - 9
Citations - 107
Alexa D. Foss is an academic researcher from Tufts University. The author has contributed to research in topics: Medicine & Biology. The author has an hindex of 2, co-authored 4 publications receiving 24 citations.
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Journal ArticleDOI
Host barriers to SARS-CoV-2 demonstrated by ferrets in a high-exposure domestic setting.
Kaitlin Sawatzki,Nichola J. Hill,Wendy B. Puryear,Alexa D. Foss,Jonathon J. Stone,Jonathan A. Runstadler +5 more
TL;DR: In this paper, the authors compared SARS-CoV-2 sequences from natural and experimental mustelid infections and identified two surface glycoprotein Spike (S) mutations associated with mustelids.
Journal ArticleDOI
Ecological divergence of wild birds drives avian influenza spillover and global spread
Nichola J. Hill,Mary Anne Bishop,Nídia S. Trovão,Katherine M Ineson,Anne Schaefer,Wendy B. Puryear,Katherine Zhou,Alexa D. Foss,Daniel E. Clark,Kenneth G. MacKenzie,Jonathon Gass,Laura K. Borkenhagen,Jeffrey S. Hall,Jonathan A. Runstadler +13 more
TL;DR: How a diversity of avian hosts contribute to viral spread and spillover with the potential to improve surveillance in an era of rapid global change is revealed.
Posted ContentDOI
Outbreak of Highly Pathogenic Avian Influenza H5N1 in New England Seals
Wendy B. Puryear,Kaitlin Sawatzki,Nichola J. Hill,Alexa D. Foss,Jonathon J. Stone,Lynda Doughty,Dominique Walk,Katie Gilbert,Maureen H. Murray,Elena Cox,Priya Patel,Zachary G. Mertz,Stephanie Ellis,Jennifer Taylor,Deborah Fauquier,Ainsley Ford Smith,Robert A. DiGiovanni,Adriana van de Guchte,Ana S. Gonzalez-Reiche,Z. Khalil,Harm van Bakel,Mia Kim Torchetti,Julianna B. Lenoch,Kristina Lantz,Jonathan A. Runstadler +24 more
TL;DR: An outbreak of H5N1 in New England seals is the first known population-scale mammalian mortality event associated with the emerging highly pathogenic avian influenza clade 2.3.4.4b.
Journal ArticleDOI
Highly Pathogenic Avian Influenza A(H5N1) Virus Outbreak in New England Seals, United States
Wendy B. Puryear,Kaitlin Sawatzki,Nichola J. Hill,Alexa D. Foss,Jonathon J. Stone,Lynda Doughty,Dominique Walk,Katie Gilbert,Maureen H. Murray,Elena Cox,Priya Patel,Zachary G. Mertz,Stephanie Ellis,Jennifer Taylor,Deborah Fauquier,Ainsley Ford Smith,Robert A. DiGiovanni,Adriana van de Guchte,Ana S. Gonzalez-Reiche,Z. Khalil,Harm van Bakel,Mia Kim Torchetti,Kristina Lantz,Julianna B. Lenoch,Jonathan A. Runstadler +24 more
TL;DR: This article reported the spillover of highly pathogenic avian influenza A(H5N1) into marine mammals in the northeastern United States, coincident with H5N 1 in sympatric wild birds.
Posted ContentDOI
Ferrets not infected by SARS-CoV-2 in a high-exposure domestic setting
Kaitlin Sawatzki,Nichola J. Hill,Wendy B. Puryear,Alexa D. Foss,Jonathon J. Stone,Jonathan A. Runstadler +5 more
TL;DR: The results of a natural experiment where 29 ferrets in one home had prolonged, direct contact and constant environmental exposure to two humans with symptomatic COVID-19 observed no evidence of SARS-CoV-2 transmission from humans to ferrets based on RT-PCR and ELISA, and data support that host factors interacting with the novel S1/S2 cleavage site may be a barrier in ferret Sars-Cov-2 susceptibility.