Cross-reactive immunity against the SARS-CoV-2 Omicron variant is low in pediatric patients with prior COVID-19 or MIS-C.

Tang J, Novak T, Hecker J, Grubbs G, Zahra FT, Bellusci L, Pourhashemi S, Chou J, Moffitt K, Halasa NB, Schwartz SP, Walker TC, Tarquinio KM, Zinter MS, Staat MA, Gertz SJ, Cvijanovich NZ, Schuster JE, Loftis LL, Coates BM, Mack EH, Irby K, Fitzgerald JC, Rowan CM, Kong M, Flori HR, Maddux AB, Shein SL, Crandall H, Hume JR, Hobbs CV, Tremoulet AH, Shimizu C, Burns JC, Chen SR, Moon HK, Lange C, Randolph AG, Khurana S