Detailed text transcripts for TV channel - CNN - 20210617:21:54:00
When exactly people are going to need them, let's say, two shots and you're fully vaccinated, when do you think we might need a booster down the road? >> what's good about these vaccines is it looks like, although immunity might fade for protection against mild disease or asymptomatic or moderate disease, i think protection against critical disease will probably be relatively long lasting, meaning for a few v years. we'll know as we go and we'll see whether or not people are no longer protected against severe critical disease. that would be surprising because the so-called cellular immune resp...
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