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“One of the big moments was achieving 100% survival and lack of clinical disease in all of the vaccinated mice, following challenge with either SARS-CoV-2 or influenza virus.”

White-breasted Nuthatch (Sitta carolinensis) spotted on February 15, 2025, by Jenna Patrick in her yard in Ohio. Click the link to view more stunning photos submitted by 700,000+ birders around the globe. Source: The Great Backyard Bird Count  |  Photo: Jenna Patrick PHOTOGRAPH 
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