Antibodies Can Last for More Than 1 Year After SARS-CoV-2 Infection: A Follow-Up Study From Survivors of COVID-19.

Front Med (Lausanne) · 2021 · PMC8322582 · PMID 34336891

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did not reach statistical significanceno p-value reported

The IgG titer in patients with severe disease was higher than that in patients with non-severe disease at each time point, but the difference did not reach statistical significance.

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