Lagging COVID Antibody Uptake Continues To Worry US Government

US hopes more publicity will boost use of Lilly and Regeneron COVID-19 antibodies, once anticipated to be in short supply, but federal officials lack any other clear strategy to help overwhelmed health systems. Meanwhile Operation Warp Speed is testing the treatments against new virus variants and working on developing antibody cocktails that could avoid escape mutants as FDA issues guidance on potency assays for sponsors.

Regeneron COVID-19 antibody treatment
Uptake of Regeneron and Lilly's COVID-19 antibodies has been slow. • Source: Regeneron

Two months after the coronavirus treatments were granted emergency use authorizations, uptake of Eli Lilly and Company and Regeneron Pharmaceuticals, Inc.’s COVID-19 monoclonal antibodies in the US is still limited, government officials said on a 14 January press call that articulated few ways to address the ongoing challenge.

Current utilization rates are in the 20% to 25% range, Colonel Dedre Teyhen, the deputy lead of therapeutics for

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