Long-term, infection-acquired immunity against Delta variant
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As SARS-CoV-2 variants accumulate mutations, there is a risk of ineffective neutralizing antibodies against new variants and potential re-infection. Halfmann et al. report that, in the hamster model, previous infection with an early prototypical SARS-CoV-2 isolate prevents re-infection of the Delta variant and its transmission to naive hamsters.
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ImmPort创建时间：
2025-10-30
