Comments by "Screen Apple" (@screenapple1660) on "Pfizer developing Covid-19 vaccine booster targeting Delta variant" video.

OMG... I have been doing too much work at home. Can anyone tell me what this new covid-19 virus is? What is Delta Variant? I heard people saying it's mutant virus. what exactly it looks like? I'm sorry I missed a lot of stuff until I got his news now.
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