Kai Kupferschmidt on Nostr: The authors show that a cow’s mammary gland contains both duck-type and human-type ...

The authors show that a cow’s mammary gland contains both duck-type and human-type flu receptors (sialic acids, more about them another time). And they write that this shows that “cattle have the potential to act as a mixing vessel” for new flu viruses.
https://www.biorxiv.org/content/10.1101/2024.05.03.592326v1.full.pdf