AstraZeneca says new data proves vaccine is highly effective
The drug maker also noted that, according to the latest data, the vaccine was well-tolerated,…
4 years ago
Covid-19 vaccine testing
Covid-19 vaccine: Testing won’t happen in Africa. Never!- WHO DG
Dr Tedros Ghebreyesus, the Director General, World Health Organisation (WHO), says that no new vaccine…
5 years ago