A Nigerian doctor, Dr. Onyema Ogbuagbu, is at the centre of the Pfizer-led research, development and trials that have culminated in a breakthrough for COVID-19 vaccines.
Pfizer, after the conclusion of its trials, recently announced that its COVID-19 vaccine was more than 90 per cent effective.
A few days after, Moderna also reported that its own version of the COVID-19 vaccine was 94 per cent effective.
The announcement by Pfizer, followed by Moderna, remains a game changer in the quest for…
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