Tags : WHO Chief Scientist

COVID-19: WHO Chief Hails Pfizer Vaccine News As ‘Encouraging’

The Director of the World Health Organisation, WHO, Dr Tedros Adhanom Ghebreyesus, has hailed Pfizer and BioNTech’s announcement that their vaccine has in trials proved 90-percent effective in preventing COVID-19 infections. The two Pharmaceutical Companies said the vaccine they have jointly developed had, during Phase 3 trials, provided protection to nearly all patients seven days […]