Under the EU deal, 27 European countries could buy 200 million doses, and have an option to purchase another 100 million.
Hopes of the world soon getting an effective vaccine were raised on Monday
The WHO says if any vaccine has more than 50 per cent efficacy, it is good enough
Important scientific announcements are usually made through peer-reviewed medical research papers, not company press releases
The European Commission will sign a deal to secure up to 300 million doses of the experimental coronavirus vaccine developed by BioNTech and Pfizer
Shares in video conferencing network Zoom fell 4% on Tuesday after plunging about 17% a day earlier
Pfizer is committed to ensure the availability of its Covid vaccine for use by governments across the world.
Rajesh Bhushan was responding to a query on the country's cold storage capacity for vaccines such as Pfizer's that need to be kept in minus 70 degree celsius
Ursula von der Leyen, the president of the EU's executive arm, said the commission will authorize the deal on Wednesday after working tirelessly to secure doses of potential vaccines in recent months
Ryan Richardson said the price tag of the vaccine
WHO Director-General Tedros Adhanom Ghebreyesus reiterated the United Nations agency's call for an equitable distribution of vaccine doses once they are available
Brazil has temporarily suspended human testing of the Chinese vaccine Coronavac following a "severe incident"
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Pfizer and its German partner BioNTech SE said they had so far found no serious safety concerns
Pfizer and the maker of the other leading U.S. vaccine candidate have been cautioning for weeks that the earliest they could seek regulatory approval for wider use of their shots would be late Nov
The US Food and Drug Administration "and the Democrats didn't want to have me get a Vaccine WIN, prior to the election, so instead it came out five days later - As I've said all along!" Trump said
Tuereci and Sahin are a "dream team" in that they reconciled their visions with the constraints of reality
Pfizer and BioNTech are the first drugmakers to show successful data from a large-scale clinical trial of a coronavirus vaccine
U.S. West Texas Intermediate (WTI) crude CLc1 futures dropped 81 cents, or 2%, to $39.48 a barrel
The Pfizer trial started less than four months ago, and how long the vaccine will confer protection and how many will benefit are almost complete unknowns for now