Over the past couple of months, the resurgence of Covid-19 cases has been disappointing, to say the least. Just as we were gaining ground in the battle against this virus, it launched a brutal counterattack—the Delta variant. Covid-19 isn’t the first virus to employ this sort of adaptable retaliation survival strategy. In fact, quick mutation and evolution is a viral mainstay—one that enabled viruses to persist and become the most prevalent “organism” on Earth. But how does something that is essentially just some DNA wrapped in a protein shell evolve and change its strategy quickly enough to throw even 21st…
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