This file illustration taken on November 23, 2020 in Paris shows a vial reading "Vaccine Covid-19" and a syringe next to the Pfizer and Biontech logos.
Despite mounting concern over the second wave of Covid-19, the Nigerian Medical Association (NMA) has warned it is not comfortable with the administration of any vaccine in the country without local clinical trials.
While the Pfizer vaccine was found to be 95 per cent effective in clinical trials and is currently being administered in the US, the doctors insist these trials are germane because the biology, environment and genetics of Nigerians is different from that of people who were tested.