Answers are grounded in this paper and cite their sources.
Subcutaneous REGEN-COV prevented symptomatic Covid-19 and asymptomatic SARS-CoV-2 infection in previously uninfected household contacts of infected persons. Among the participants who became infected, REGEN-COV reduced the duration of symptomatic disease and the duration of a high viral load. (Funded by Regeneron Pharmaceuticals and others; ClinicalTrials.gov number, NCT04452318.).
No takes yet. Share an insight, caveat, or question.
O’Brien et al. (2021) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: