Corona Virus: What do you know about the delta, gamma, beta and alpha viral mutants?

  • Michelle Roberts
  • Health editor, BBC

photo released, Getty Images

The outbreak of Covid cases, with the delta mutated Corona virus, has raised concern in China, after more than 300 cases were detected within 10 days, which prompted the strengthening of medical examinations and the imposition of travel restrictions on citizens.

It is not clear how many people have been fully vaccinated in China, although authorities say more than 1.6 billion doses have been given so far.

so what NSAnd moving Delta?

There are thousands of different types, or mutants, of the virus that causes Covid around the world. It appears that one of them, known as the delta mutate or “P. 1.612.7”, is spreading rapidly in many countries, including Britain, and has even become the dominant mutant behind most of the current infections.

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