DW News published this video item, entitled “Scale of Sars-Cov-2 immunity still unclear | COVID-19 Special” – below is their description.
How long can a virus keep attacking me – especially when I’ve been previously infected? How long do my antibodies survive in my blood? How long does a vaccine defend my immune system against an intruder?
Scientists are grappling with these questions. And they have yet to find out for certain, how long vaccine protection lasts.DW News YouTube Channel
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