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. 2023 May 16;11(5):989. doi: 10.3390/vaccines11050989

Figure 2.

Figure 2

Serological and COVID-19 status evolution COVID: COVID-19 infection (serological data are removed after COVID-19 infection). The width of each bar is proportional to the number of patients involved. The COVID panel corresponds to the patients having contracted a COVID infection with a positive PCR test during the follow-up period. The follow-up time after the first vaccine injection represented on the abscissa is expressed in months. Each Positive panel is a group of patients with serology above the threshold of 264 BAU/mL. Conversely, each Negative panel corresponds to those with serology below this threshold.