Soumya Swaminathan India virus Coronavirus Waves Soumya Swaminathan India

Covid waves are unpredictable because…: WHO chief scientist on what is still worrying about coronavirus

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Three years into the pandemic but we still do not understand the coronavirus completely, WHO chief scientist Soumya Swaminathan stressed adding that “we still don’t understand why and how the waves of this virus are coming through different populations with different periodicity in different countries." Another risk that is still unknown is its effect in the longer term, ie long Covid, she also pointed out.

Noting the virus behaves differently in different communities, Swaminathan told BMJ, “We know that morbidity and mortality are correlated with older age.

But at the same time, we have to understand that the data that are coming from different countries in different parts of the world are very uneven.

Many countries don’t have the same type of diagnostics or genomic capacities"  So, we still don’t understand why and how the waves of this virus are coming through different populations with different periodicity in different countries, she asserted.

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