As we see all from media and exthe scientific background didn't raised,so

I like to raise some questions:

is PCR is used as or for diagnosis purposes?or genomic sequence (research).

Again is the death report being reported is absolutely due to COVID19?

lastly I wanna to raise about vaccine development as we have seen some patients is being recovered from diseases so why serum of those recovered patients not used for active immunization for susceptible

finally is the lockdown policy is contradictory to herd immunity?

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