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. 2022 Jan 12;17(1):e0262169. doi: 10.1371/journal.pone.0262169

Fig 1. Four-month follow-up levels of anti-Spike IgG are associated to disease severity and COVID-19 symptoms.

Fig 1

A) Four-month follow-up levels of anti-spike IgG were significantly higher in convalescent COVID-19 patients compared to HCW. B) In addition, four-month follow-up levels were significantly increased in HCW with self-reported fever, dyspnea, cough, abdominal symptoms, malaise, anosmia, or ageusia prior to study inclusion. Crossbars depict the median. P-values are shown with brackets. Sx; symptoms. AU: Arbitrary Units.