The UK has approved the Pfizer/BioNTech COVID-19 vaccine for public use. It is the first country to give its nod to the mass use of the vaccine. In November, Pfizer
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The US embassy in Nigeria has celebrated Onyema Ogbuagbu, a Nigerian-born researcher and medical doctor, for his role in the development of a COVID-19 vaccine. Pfizer and BioNTech had announced