- Reinfection possible for seniors after contracting Omicron: McMaster study CHCH News
- Early Omicron infection is associated with increased reinfection risk in older adults in long-term care and retirement facilities The Lancet
- COVID-19: Seniors with Omicron more susceptible to re-infection, study finds Global News
- Prior Omicron infection may not protect against future COVID-19 infection UPI News
- Prior Omicron infection didn’t protect some seniors from reinfection: study CityNews Toronto
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