Shares in Pfizer fell on Monday after rival drugmaker Moderna said its experimental vaccine against COVID-19 was 94.5% effective and that it can be stored at normal fridge temperatures.

Moderna and Pfizer-BioNTech are in a tight race to launch their COVID-19 vaccines in Europe after both applied for emergency EU approval on Tuesday, though there was uncertainty over whether a rollout ...

Amid confusion over this year's updated COVID-19 vaccines, we explain what's different this year and who experts say should ...

President Donald Trump has received updated flu and covid-19 booster shots in preparation for upcoming travel, the ...

Health experts are on the verge of possibly having two COVID-19 vaccines and ABC13 has learned how the two compare. SEE RELATED STORY: US COVID-19 vaccinations ramp up as Moderna shot nears ...

The updated 2025-2026 COVID-19 vaccines are now widely available, but with some new limitations. Who can get the shot this ...

Moderna is suing Pfizer and BioNTech for infringing patents central to Moderna's mRNA technology platform used to develop the COVID vaccine, the company said in a press release Friday. A widely ...

Moderna and Pfizer are each in the process of competing for federal contracts to build a national stockpile of mRNA vaccines targeted toward the new bird flu amid mounting concerns it may be spreading ...

The excitement of two COVID-19 vaccines with more than 90 percent efficacy is undeniable. In November, both Pfizer and Moderna announced its scientists had developed vaccines with efficacy at or near ...

CHICAGO (WLS) -- The Johnson & Johnson vaccine continues to be put on hold after a CDC panel said it needs more time to look into claims of dangerous blood clots. The United Center mass vaccination ...