EXPLAINED: What is virus variant of concern? How is it different from variant of interest?
"SARS-CoV-2 virus, the virus that causes COVID-19 is evolving. This is a natural evolution and the virus is expected to change the more the virus circulates around," Dr Maria Van Kerkhove, the WHO's COVID-19 Technical Lead, has said.
In this video, Dr Kerkhove explains the difference between virus variants of interest and virus variants of concern.
She does so citing the example of B.1.617, which was first identified in India.
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