PFIZER

“Today is a great day for science and humanity,” said Dr. Albert Bourla, Pfizer Chairman and CEO.

The U.S. has reported nearly 9.3 million positive cases of the coronavirus, with over 231,000 COVID-19 deaths.

Clinical trials are tricky business.

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Pfizer Chief Executive Albert Bourla said the drug giant could supply some 40 million doses in the United States in 2020 if clinical testing proceeds as expected and regulators approve a vaccine.

AstraZeneca, J&J vaccine trials back on track in US

It hopes to get initial phase three trial results in November, putting an emergency FDA approval in December. Pfizer's timeline is similar.

China's experimental vaccine tested 191 healthy participants and induced an immune response in candidates.

Pfizer and BioNTech have assured the fast-track process will not compromise safety

The three companies are accused of using a fluorescent protein in their research without paying royalties for it.

The biotech company's new timeline is a setback after it said that it could seek emergency use authorization for its vaccine candidate as early as November.

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The phase 3 study of JNJ-78436735, which will enroll 60,000 participants, is underway.

"We have already manufactured hundreds of thousands of doses," Pfizer head Albert Bourla said.

At least four of the COVID-19 candidate vaccines being developed under Operation Warp Speed are unlikely to pass clinical trials.

The Dow index enacted changes in response to heavily-weighted Apple’s stock split.

Seven companies have received the bulk of $9 billion in funding from the federal government to develop and test a COVID-19 vaccine.

New York schools can reopen while Illinois has imposed big fines for violating its face mask mandate and a deal to manufacture remdesivir was made. Here's what you need to know.

Canada strikes deals for vaccine candidates with Pfizer, Moderna

Dr. Fauci talked vaccines in a televised House briefing while the U.S. entered into a $2.1 billion deal with Sanofi and GSK for a COVID-19 vaccine. Here's what you need to know.