Newborn dried blood spots for serological surveys of COVID-19

  1. Feimei Liu
  2. Mytien Nguyen
  3. Pavithra Vijayakumar
  4. Alanna Kaplan
  5. Amit Meir
  6. Yile Dai
  7. Eric Wang
  8. Hannah Walsh
  9. Aaron M. Ring
  10. Saad B. Omer
  11. Shelli F. Farhadian
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Abstract

There is an urgent need for inexpensive, population-wide surveillance testing for COVID-19. We tested newborn dried blood spots (DBS) anti-SARS-COV-2 antibodies for all infants born at Yale from March-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.

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