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Pfizer Inc and BioNTechon on Wednesday reported results from an initial laboratory study showing that serum antibodies induced by the Pfizer-BioNTech COVID-19 vaccine...
ByBusinessTodayNGDecember 9, 2021• Variant detected in three persons with travel history to S’Africa, says NCDC • Contact tracing never effective, variant already in circulation –...
ByBusinessTodayNGDecember 2, 2021