According to scientists, vaccines that work well now may fade in the future unless booster shots are devised, something vaccine makers are already starting to work on.
Moderna tests show vaccine produced antibodies against UK strain at levels comparable with older forms of virus. But against the South Africa variant, antibodies produced were six-fold lower.
Announcement comes amid increasing Covid infections in South Africa, which is battling a second wave and a new variant of the virus with 22,000 infections and 844 deaths.
Restrictions on alcohol sales have been imposed since the lockdown in March, partly to lower hospital admissions from vehicle accidents and alcohol-related violence.
Bihar is blessed with a land more fertile for revolutions than any in India. Why has it fallen so far behind then? Constant obsession with politics is at the root of its destruction.
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