Pfizer and BioNTech failed to clear the Phase 3 hurdle, the companies said Friday. Their shot is a messenger RNA-based vaccine that combines their approved Covid-19 shot, marketed as Comirnaty ...

Now, Pfizer and BioNTech say they might need to adjust the vaccine. The companies are discussing their next steps with health authorities. On today's stock market, Pfizer stock dropped 1.4% to 28.30.

Pfizer and its German partner, BioNTech, announced Friday that their updated coronavirus booster shot targeting the omicron variant succeeded in strengthening the body’s army of disease-fighting ...

The anti-vaccine movement has a new conspiracy theory about Pfizer's COVID-19 shot. Don't believe them.

Pfizer and BioNTech are planning to ask the Food and Drug Administration to authorize a second COVID-19 booster shot for people age 65 and older.

Pfizer on Thursday said a single dose of its new respiratory syncytial virus ... compared with efficacy of 88.9% after the first RSV season, which led to the shot's U.S. approval. ...

A clinical-trial failure for Pfizer and BioNTech means Moderna is leading the race to develop a combo shot for the flu and COVID-19.

Pfizer Inc and BioNTech's vaccine was 73.2% effective in preventing COVID-19 among children aged 6 months through 4 years, new data from the companies showed on Tuesday, two months after the U.S ...

Pfizer’s Price Hike Shot in the Arm for Vaccine Makers. Company’s decision to price its Covid-19 vaccine at $110-$130 per dose seeks to make up for lower demand for boosters. By .

Get your shots while they’re on the house: Drug maker Pfizer said Friday that once the Federal government stops footing the bill for COVID-19 vaccines, the cost of a shot will rise to between… ...

The effectiveness of Pfizer’s COVID-19 shot can drop to 83.7% within four to six months after getting the second dose of its vaccine. This is the latest indication that vaccine-induced immunity ...

After receiving his second dose of the Pfizer-BioNTech ... “Never been so excited to get a shot before,” he wrote Jan. 5, sharing a photo of a Band-Aid on his arm and his completed COVID-19 ...