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. 2022 Apr 19;327(15):1500-1502.
doi: 10.1001/jama.2022.4356.

COVID-19 Cases and Disease Severity in Pregnancy and Neonatal Positivity Associated With Delta (B.1.617.2) and Omicron (B.1.1.529) Variant Predominance

Emily H Adhikari  1 , Lorre MacDonald  2 , Jeffrey A SoRelle  3 , Jessica Morse  4 , Jessica Pruszynski  1 , Catherine Y Spong  1
Affiliations

COVID-19 Cases and Disease Severity in Pregnancy and Neonatal Positivity Associated With Delta (B.1.617.2) and Omicron (B.1.1.529) Variant Predominance

Emily H Adhikari et al. JAMA. .

Abstract

This study examines infections, illness severity, vaccinations, and early neonatal infections among obstetric patients during the pre-Delta, Delta, and Omicron periods of the COVID-19 pandemic.

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Conflict of interest statement

Conflict of Interest Disclosures: Dr SoRelle reported having a patent pending for genotyping PCR test for variants. No other disclosures were reported.

Figures

Figure.
Figure.. Weekly Severe and Nonsevere Cases of SARS-CoV-2 Infections Diagnosed in Pregnancy at Parkland Health, Dallas, Texas
The pre-Delta epoch is May 17, 2020, through June 26, 2021; Delta epoch, June 27 through December 11, 2021; and Omicron epoch, December 12, 2021, through January 29, 2022. Variant epoch was assigned based on greater than 50% of local surveillance samples having Delta or Omicron predominance.
See this image and copyright information in PMC

References

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Supplementary concepts