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Emerg Infect Dis
. 2023 Jan 26;29(3).
doi: 10.3201/eid2903.221314. Online ahead of print.
Risk Factors for Reinfection with SARS-CoV-2 Omicron Variant among Previously Infected Frontline Workers
Katherine D Ellingson, James Hollister, Cynthia J Porter, Sana M Khan, Leora R Feldstein, Allison L Naleway, Manjusha Gaglani, Alberto J Caban-Martinez, Harmony L Tyner, Ashley A Lowe, Lauren E W Olsho, Jennifer Meece, Sarang K Yoon, Josephine Mak, Jennifer L Kuntz, Natasha Schaefer Solle, Karley Respet, Zoe Baccam, Meredith G Wesley, Matthew S Thiese, Young M Yoo, Marilyn J Odean, Flavia N Miiro, Steve L Pickett, Andrew L Phillips, Lauren Grant, James K Romine, Meghan K Herring, Kurt T Hegmann, Julie Mayo Lamberte, Brian Sokol, Krystal S Jovel, Mark G Thompson, Patrick Rivers, Tamara Pilishvili, Karen Lutrick, Jefferey L Burgess, Claire M Midgley, Ashley L Fowlkes
- PMID: 36703252
- DOI: 10.3201/eid2903.221314
Abstract
In a cohort of essential workers in the United States previously infected with SARS-CoV-2, risk factors for reinfection included being unvaccinated, infrequent mask use, time since first infection, and being non-Hispanic Black. Protecting workers from reinfection requires a multipronged approach including up-to-date vaccination, mask use as recommended, and reduction in underlying health disparities.
Keywords: COVID-19; SARS-CoV-2; United States; coronaviruses; frontline workers; mRNA vaccines; omicron variant; reinfection; respiratory infection; risk factors; vaccine effectiveness; viruses; zoonoses