Answers are grounded in this paper and cite their sources.
There is an urgent need for inexpensive, population-wide surveillance testing for COVID-19. We tested newborn dried blood spot (DBS) anti-SARS-CoV-2 antibodies for all infants born at Yale from March to May 2020, and found that newborn DBS serologies reflect maternal and population-wide infection rates during the study period. This suggests a role for DBS in COVID-19 surveillance in areas where viral testing is limited.
No takes yet. Share an insight, caveat, or question.
Liu et al. (2020) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: