Health
Mutating Covid-19 mars optimism initially brought on by vaccines: Report – Hindustan Times
A new consensus is emerging among scientists, according to Reuters interviews with 18 specialists who closely track the pandemic or are working to curb its impact….

Chris Murray, a University of Washington disease expert whose projections on Covid-19 infections and deaths are closely followed worldwide, is changing his assumptions about the course of the pandemic.
Murray had until recently been hopeful that the discovery of several effective vaccines could help countries achieve herd immunity, or nearly eliminate transmission through a combination of inoculation and previous infection. But in the last month, data from a vaccine trial in South Africa showed…
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