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Heatmap showing all results of all participants, separated by tested aPL (vertical) and by groups (horizontal). The legend (colors) represents the titers of each aPL (black represents low levels; yellow represents high levels of each antibody). The results of the same patients are shown in the vertical line. Both HCP groups and all three time points of the COVID-19 group III have the same order of included participants. Therefore, they can be compared directly.
