Post-severe Acute Respiratory Syndrome Coronavirus 2 Monoclonal Antibody Treatment Hospitalizations as a Sentinel for Emergence of Viral Variants in New York City.

Kaplan-Meier analysis demonstrated an increasing trend in cumulative percentage of monthly admissions within 30-days of treatment ( P = .04); 6% (4 of 70) in December 2020, 8% (17 of 216) in January 2021, 11% (31 of 281) in February 2021, and 13% (11 of 82) in March 2021 ( Figure 1 ).

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