‘Great day for science’: Pfizer hails its 90% effective vaccine
The drugmaker and its German partner have a contract to deliver 100 million doses beginning in 2020
Pfizer on Monday said its experimental vaccine was more than 90% effective in preventing Covid-19 based on initial data from a large study, a major victory in the fight against a pandemic that has killed more than one million people, roiled the world’s economy and upended daily life.
Pfizer and German partner BioNTech SE are the first drugmakers to show successful data from a large-scale clinical trial of a coronavirus vaccine. The companies said they have so far found no serious safety concerns and expect to seek US emergency use authorisation later this month.
If authorised, the number of vaccine doses will initially be limited. Many questions also remain including how long the vaccine will provide protection. But the news provides hope that other vaccines in development against the novel coronavirus may also prove effective...