In 2020, many companies tried to develop effective coronavirus vaccines, but two ended up succeeding and dominating the field: Pfizer (NYSE: PFE) and Moderna (NASDAQ: MRNA). These two vaccine makers ...

Moderna Inc. (NASDAQ:MRNA) is set to clash with Pfizer Inc. (NYSE:PFE) and BioNTech SE (NASDAQ:BNTX) in a pivotal London patent trial concerning the development of COVID-19 vaccines. The High Court is ...

LONDON, April 23 (Reuters) - Pfizer and BioNTech asked a London court to revoke rival Moderna's patents over technology key to the development of vaccines for COVID-19, as the latest leg of a global ...

Pfizer and Moderna, both coronavirus vaccine stars, now face declining demand -- and, as a result, declining revenue. But these top companies are expanding their growth potential with new candidates ...

Moderna's two-dose Covid-19 vaccine is associated with a higher risk of heart inflammation than Pfizer's, but the benefits of both companies' shots outweigh the risks, according to a Centers for ...

Shares in Pfizer and Moderna fell 3.9% and 7.4%, respectively, Friday after a report that the Trump administration plans to link the deaths of 25 children to COVID vaccines. Trump health officials ...

A few years ago, both Pfizer (NYSE: PFE) and Moderna (NASDAQ: MRNA) were flying high: from an earnings and share performance perspective. They each sold a leading coronavirus vaccine -- and Pfizer ...