Fig. 2: Flowchart of participants in the serologic subsample in Ensanut 2020. | Nature Communications

Fig. 2: Flowchart of participants in the serologic subsample in Ensanut 2020.

From: Nationally representative SARS-CoV-2 antibody prevalence estimates after the first epidemic wave in Mexico

Fig. 2

The flowchart of participants in the National Health and Nutrition Survey (Ensanut 2020). From the 36,024 subjects selected at the household level, a subsample of 21,707 were randomly selected to participate in the serologic sample. From those some could not be contacted and others declined to participate. We collected 9,640 venous samples.

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