Sam Fazeli, Columnist

Is the Mu Variant More Dangerous Than Delta?

Even as the world combats the fast-spreading delta virus variant, a new strain, mu, has emerged. Here’s what you need to know.

The mu variant bears watching, but doesn’t appear to be as “fit” as delta in its ability to infect, copy itself and spread.

Source: NIAID-RML

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The highly infectious delta variant has sparked a new wave of Covid-19 cases and deaths worldwide in recent months, hampering reopenings and slowing the economic recovery. Now comes word of a new variant, mu, which has taken hold in some countries. Sam Fazeli, a Bloomberg Opinion contributor who covers the pharmaceutical industry for Bloomberg Intelligence, answers questions about the emergence of this new variant and its potential danger.

How worried should we be about the mu variant?