PM Boris Johnson said Britain had now ordered 40 million doses of the candidate vaccine.
PM Boris Johnson said Britain had now ordered 40 million doses of the candidate vaccine.
BioNTech' and Pfizer have announced their vaccine candidate is more than 90% effective against Covid-19.
Ugur Sahin and Oezlem Tuereci bonded over their love of medical research and now may have changed the world.
Professor John Bell hails Pfizer's experimental vaccine and says no reason 'why we shouldn't have a handful of good vaccines available to this disease'.
Many people have concerns about the accelerated speed of Covid-19 vaccine development.
Senior official Bruce Aylward hails the news of an experimental vaccine being more than 90% effective as 'very positive'.
Pfizer Inc and BioNTech earlier today said their experimental Covid-19 vaccine was more than 90% effective.
British politician whose words he lifted has paid warm tribute to the new US president-elect.
Several thousand protesters, many carrying the red-and-white opposition flag, join march in Minsk
The 94-year-old monarch has donned a face mask in public for first time during the Covid pandemic