Scientists scramble to assess mutated coronavirus – newagebd.net

As dozens of countries blocked the flow of people and goods from Britain to avoid a new and more contagious strain of coronavirus, scientists raced to understand how it emerged and the scope of its threat.
Here are some of the key questions they are asking, and the answers that have emerged so far.
How often do viruses mutate? All the time, but some viruses do it more than others.
A two-dose vaccine against measles, for example, can last a lifetime, where as the cocktail in flu shots changes every…

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