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Could this be because the existing vaccines were developed to generate immunity against the original strain of Covid? In other words would a new vaccine based o
by Olumde 5y ago
Could this be because the existing vaccines were developed to generate immunity against the original strain of Covid? In other words would a new vaccine based on delta produce better results?
- nojokes 5y agoNo. The difference is mostly in viral load. Delta can seriously ramp up its production and make an infected person infectious in 1-2 days. Only neutralizing antibodies can counter this so fast and 2 dose regimen dose to build level high enough often enough. Increase from booster is 5 fold compared to the level from 2nd dos and is even higher for seniors. Levels of neutralizing antibodies that work against Wuhan variant and Delta variant are about the same.