LOS ANGELES -- The COVID-19 vaccines made by Pfizer and Moderna both require two doses to be administered, several weeks apart, for them to be fully effective. But there has been some scientific ...

Johnson & Johnson Covid-19 vaccine recipients are better off getting a booster shot from Pfizer or Moderna, a highly anticipated U.S. study suggested Wednesday. The National Institutes of Health study ...

MOUNTAIN VIEW, Calif. -- It was the second shot California resident Veena Thomas had been for waiting for. Instead of relief what she felt was panic after the needle was pulled out. RELATED: Here's ...

Pandemic-era favorites such as Pfizer (NYSE:PFE) and Moderna (NASDAQ:MRNA) will be under scrutiny after President Donald Trump on Monday urged the companies to justify the success of their COVID-19 ...

Leading vaccine makers Pfizer (NYSE:PFE) and Moderna (NASDAQ:MRNA) on Wednesday responded to President Donald Trump’s recent criticism that drug companies have yet to justify the success of their ...

Sept 3 (Reuters) - Pfizer (PFE.N), opens new tab and Moderna (MRNA.O), opens new tab on Wednesday defended their COVID-19 vaccines as having saved millions of lives worldwide, in separate responses to ...

Amid uncertainty over how the Trump administration would approach mRNA COVID-19 vaccines for the upcoming respiratory virus season, the FDA has approved updated shots from Pfizer and Moderna. But ...

The three pharma companies that make COVID-19 vaccines authorized in the US, Pfizer (NYSE:PFE), Moderna (NASDAQ:MRNA), and Novavax (NASDAQ:NVAX) responded Wednesday to President Donald Trump’s recent ...