Looks like they are going to sell you back your immune system. Study concludes you will need boosters. This is probably why they are desperate to get everyone the shots before the winter.
People inoculated using Pfizer/BioNTech jabs are likely to have five times lower level of neutralizing antibodies against the delta variant of coronavirus- which was first identified in India- compared to the original strain, a study published in The Lancet has disclosed. Additionally, it also stressed that the level of these antibodies is lower with this increasing age and decline over time. The study, conducted by researchers from Francis Crick Institute, directly testifies the need to reduce the gap between two doses of the vaccine.

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