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Analysis: Why Are So Many Coronavirus Strains Emerging?

RIO DE JANEIRO, BRAZIL - (by Ester Lázaro Lázaro*) Since the outbreak of the Covid-19 pandemic, comments about concerns that SARS-CoV-2 would mutate into a more aggressive strain have been commonplace. For many, the virus was seen as an entity capable of making decisions to ensure its permanence among us.

In fact, viruses do not make any decisions. As soon as they infect a cell, they begin to multiply almost automatically, a process that entails copying their genetic information. During the copying process, errors often occur, which despite not often having any impact, occasionally produce changes . . .

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