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It is normal for viruses to change and evolve as they spread between people over time. When these changes become significantly different from the original virus, they are known as "variants." To identify variants, scientists map the genetic material of viruses (known as sequencing) and then look for differences between them to see if they have changed.
As with all viruses, SARS-COV-2, the virus that causes COVID-19, will continue to evolve as long as it continues to spread. The more that the virus spreads, the more pressure there is for the virus to change. So, the best way to prevent more variants from emerging is to stop the spread of the virus.
* Keep a distance of at least 1 meter from others.
* Wear a well-fitted mask over your mouth and nose.
* Open windows.
* Cough or sneeze into a bent elbow or tissue.
* Clean your hands frequently.
* Get vaccinated as soon as it is your turn.
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