Health Cabinet Secretary Mutahi Kagwe now says that a viral video of him casting doubt on the efficacy of an…
Browsing: Pfizer and BioNTech
Health Cabinet Secretary Mutahi Kagwe has expressed his reservations over the efficacy of an experimental Covid-19 vaccine developed by Pfizer…
There is hope for the world after a Covid-19 vaccine candidate announced a breakthrough. Pfizer and BioNTech on Monday said…