Pfizer Inc.

The U.S. Centers for Disease Control and Prevention said 72,806,180 doses of COVID-19 vaccines had been administered in the country as of Saturday morning and it had distributed 96,402,290 doses.

(This FEB. 26 story corrects throughout to make clear that Sandu's office did not deny the Sputnik V vaccine had been approved)

South Korea said 18,489 people received their first doses of AstraZeneca PLC's vaccine by midnight on Friday as it launched an ambitious COVID-19 inoculation campaign, and will begin using Pfizer/BioNTech vaccines on Saturday.

A federal judge has refused to create a California subclass within a nationwide proposed class action accusing Pfizer Inc of obtaining a fraudulent patent and conspiring with generic drugmaker Ranbaxy Inc to delay sales of generic versions of its cholesterol drug Lipitor.

The United States has administered 70,454,064 doses of COVID-19 vaccines in the country as of Friday morning and distributed 94,300,910 doses.

World Bank President David Malpass urged countries to enter contracts for vaccines now so they could get delivery schedules, saying it was vital to get started in more countries and work through more channels.

Here's what you need to know about the coronavirus right now:

A single dose of Pfizer and BioNtech's COVID-19 vaccine cuts the number of asymptomatic infections and could significantly reduce the risk of transmission of the virus, results of a UK study found on Friday.

A single dose of the Pfizer COVID-19 vaccine developed in partnership with BioNTech could significantly reduce the risk of transmission after a single dose, results of a UK study found on Friday.

Canada's COVID-19 vaccination campaign is ramping up after earlier supply disruptions and the number of inoculations last week hit a five-week high, officials said on Thursday.

The U.S. Food and Drug Administration on Thursday approved storage and transportation of COVID-19 vaccine developed by Pfizer Inc and German partner BioNTech SE at standard freezer temperatures for up to two weeks instead of ultra-cold conditions.

The U.S. Food and Drug Administration on Thursday approved storage and transportation of COVID-19 vaccine developed by Pfizer Inc and German partner BioNTech SE at standard freezer temperatures for up to two weeks instead of ultra-cold conditions. (Reporting by Mrinalika...

European Commission President Ursula von der Leyen said on Thursday that the EU was allowing exports of COVID-19 vaccines, mostly from BionTech/Pfizer and Moderna, while the United States and Britain had mechanism to block them.

The United States has administered 68,274,117 doses of COVID-19 vaccines in the country as of Thursday morning and distributed 91,673,010 doses.

The Czech Republic will get 100,000 doses of the Pfizer/BioNTech coronavirus vaccine from France by mid-March, Czech Prime Minister Andrej Babis told CTK news agency on Thursday.

Moderna Inc said on Thursday it was expecting sales of $18.4 billion from its coronavirus vaccine this year, putting it on the path to post a profit for the first time since its formation in 2010.

Bahrain has approved Johnson & Johnson's one-dose COVID-19 vaccine for emergency use, the first country to do so, the National Health Regulatory Authority (NHRA) said on Thursday.

Bahrain has approved Johnson & Johnson's one-dose COVID-19 vaccine for emergency use, the first country to do so, the National Health Regulatory Authority (NHRA) said on Thursday.

Pfizer Inc and BioNTech SE said on Thursday they are testing a third dose of their COVID-19 vaccine to better understand the immune response against new variants of the virus.