#Effect of timing of #casirivimab & #imdevimab administration relative to #mRNA-1273 #COVID19 #vaccination on vaccine-induced SARS-CoV-2 neutralising #antibody responses: a prospective, open-label, phase 2, RCT, Lancet Infect Dis.: https://www.thelancet.com/journals/laninf/article/PIIS1473-3099(24)00421-3/fulltext
Casirivimab and imdevimab administration before or at the time of COVID-19 vaccination reduced the elicitation of SARS-CoV-2 neutralising antibodies, but minimal effect was observed when vaccination occurred before mAb administration.

