iarjmcrIARJMCRIARJMCR2709-3220https://doi.org/10.47310/iarjmcr.2021.v02i01.025Late Hypersensitivity Reaction to COVID-19 Antibody Infusion: A Case ReportAaronSamuelCampeasMenachemMendelGurevitzKristineSobolewskiAntibody therapy has shown to be effective in preventing hospitalization among patients infected with SARS-CoV-2. Rare hypersensitivity reactions have been reported to occur within one hour of infusion onset which prompted regulators to require a minimum of one hour of observation. We report a case of a hypersensitivity reaction that occurred after this time frame.