Chicken Egg Yolk Antibodies (IgYs) block binding of multiple SARS-CoV-2 spike protein

Full Article Title: PubMed
Chicken Egg Yolk Antibodies (IgYs) block the binding of multiple SARS-CoV-2 spike protein variants to human ACE2 (This what they knew since 2020)
Link:
https://pubmed.ncbi.nlm.nih.gov/33191178/

Leaky Vaccines Enhance Spread of Deadlier Chicken Viruses
https://www.nationalgeographic.com/science/article/leaky-vaccines-enhance-spread-of-deadlier-chicken-viruses