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To: arun gera who wrote (178475)9/17/2021 7:41:04 PM
From: TobagoJack  Respond to of 218598
 
the earliest shots were done back in February, and the Brazilians are running the town's jab program like a Petri dish trial, so boost and 'need' are two very different matters

Re <<Wasn't that the problem with the mRNA vaccine?>>

Not exactly. In the case of Seranna, the boost is for the elderly, and a test.

In the case of mRNA, the problem is a feature disguising as a bug.