Off-the-shelf CAR natural killer cells secreting IL-15 target spike in treating COVID-19 oleh Ting Lu, Rui Ma, Wenjuan Dong, Kun-Yu Teng, Daniel S. Kollath, Zhiyao Li, Jinhee Yi, Christian Bustillos, Shoubao Ma, Lei Tian, Anthony G. Mansour, Zhenlong Li, Erik W. Settles, Jianying Zhang, Paul S. Keim, Bridget M. Barker, Michael A. Caligiuri, Jianhua Yu