Since you're all Covid experts here, tell me, how long does the immunity last after recovering from Covid?
31-35, M
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midnightrose · F
Not an expert.
One study I've seen said that immunity from reinfection of pre-omicron covid begins to wane after 7 months. 70% in the 16th month, 50% in the 22nd month, and <10% in the 32nd month. Immunity against Omicron infection after pre-omicron primary infection was 38.1% and declined over time to an effectiveness of <10% by the 15th month. Immunity from severe, critical or fatal covid remained high (97.3% effective) with no evidence of waning, irrespective of variant of primary infection or reinfection.
One study I've seen said that immunity from reinfection of pre-omicron covid begins to wane after 7 months. 70% in the 16th month, 50% in the 22nd month, and <10% in the 32nd month. Immunity against Omicron infection after pre-omicron primary infection was 38.1% and declined over time to an effectiveness of <10% by the 15th month. Immunity from severe, critical or fatal covid remained high (97.3% effective) with no evidence of waning, irrespective of variant of primary infection or reinfection.