Volume 27, Number 12—December 2021
Research
SARS-CoV-2 Seroprevalence in a Rural and Urban Household Cohort during First and Second Waves of Infections, South Africa, July 2020–March 2021
Figure 1

Figure 1. Timing of blood collection and weekly incidence of severe acute respiratory syndrome coronavirus 2 infection in the rural community district (A) and the urban community district (B), South Africa, March 2020–March 2021. BD, blood draw.
1Additional members of the PHIRST-C group who contributed to this manuscript are listed at the end of this article.
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