A mutation is elevated from a “variant of interest” to a “variant of concern” (VOC) when it shows evidence of fulfilling at least one of several criteria, including easy transmission, more severe illness, reduced neutralisation by antibodies or reduced effectiveness of treatment and vaccines. Source link

The terrible scenes from the Covid crisis across the border in India, however, have rattled officials and medical professionals in Pakistan. Last month, cases began rising dramatically here too, a result, it is thought, of the spread of the more infectious UK variant of the disease. There were significantly more […]

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