Reinfections of SARS-CoV-2 in the U.S. have become more common, especially during the Omicron variant period, rising from 2.7% during Delta to 28.8% in Omicron BQ.1/BQ.1.1.
Hospitalizations and deaths linked to reinfections also increased significantly, going from 1.9% and 1.2% of COVID-19-related cases during Delta, to 17.0% and 12.3% during Omicron BQ.1/BQ.1.1.
Younger adults (18-49 years) had higher rates of reinfections compared to older adults (≥50 years), and it's crucial to stay updated on vaccinations