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It may be possible for people who got Omicron to be reinfected with it, Ontario experts say
Interactive: Inside COVID’s rehabilitation hospitals A recent preprint study _ one that has not been peer-reviewed _ suggested that mild Omicron infection doesn’t render enough immunity to prevent future infections, while infections from the Delta variant, which tended to be more severe, produced higher protection.Dr. Fahad Razak, an internist and member of the province’s science advisory table, said Ontario is not seeing “significant” numbers right now of people with more than one Omicron infection.But milder illnesses that give people congestion, cough, fever, and leave them feeling unwell but not so sick that they need to go to the hospital — like many Omicron infections — may leave people more susceptible to reinfection, he said.“The parts of your immune system that protect against those milder infections, they tend to wane much faster than the parts of your immune system that protect against the more severe infection,” Razak said.