- Regeneron COVID-19 drug trial halted in sickest patients Fox Business
- Regeneron halts trial of COVID-19 antibody drug in sickest hospitalized patients | TheHill The Hill
- Study finds brain abnormalities ‘common’ in COVID-19 patients Yahoo Lifestyle
- Health monitors raise safety concerns, say severely ill COVID-19 patients should not receive drug cocktail used on Trump San Francisco Chronicle
- Covid-19 antibodies diminish over time, but experts say there’s no reason to be alarmed NBC News
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