SARS-CoV-2 infection in high-risk children following tixagevimab-cilgavimab (Evusheld) pre-exposure prophylaxis: A single center observational study Diego R. Hijano1* , Jose A. Ferrolino1 , Elizabeth G. Swift1, Carolyn Michaels1, Anita Max1 , Randall T. Hayden1 , Josh Wolf1, Ronald H. Dallas1, William L. Greene1, Julie L. Richardson1, Hana Hakim1, Ted H. Morton1 and Shane J. Cross1* 1St. Jude Children's Research Hospital, United States The final, formatted version of the article will be published soon.