Also LPAI viruses of the H7 and H9 subtype have been reported to infect humans31,32,33. express both activating and inhibitory receptors, and the balance between these signals determines NK-cell activation2,3. The activating NK-cell receptor NKp46 is mainly expressed on NK cells but has also been reported on a minor fraction of NKT cells4 and gamma … Continue reading Also LPAI viruses of the H7 and H9 subtype have been reported to infect humans31,32,33