High Levels of Common Cold Coronavirus Antibodies in Convalescent Plasma Are Associated With Improved Survival in COVID-19 Patients.

This difference did not reach statistical significance ( Table 1 ).A shorter time from COVID-19 diagnosis to plasma administration, ≤3 days versus >3 days was associated with better survival in males, in which 100% of males with a COVID-19 diagnosis ≤3 days prior to CCP administration survived (95% CI, 54%-100%).

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