Pfizer is testing out a 3rd booster shot to bolster its Covid-19 vaccine against new variants

Vaccine makers are testing the safety and efficacy of third doses now to prepare to...

North Korea hacked Pfizer because it wants to sell bootleg Covid vaccines, sources say

North Korea is well-practiced at drug smuggling and hacking, and needs as much foreign...

A single shot of Pfizer and BioNTech's Covid-19 vaccine reduces the risk of infection by 70% - data

The protection from Pfizer and BioNTech's Covid-19 vaccine increased to 85% after two...

Covid-19 vaccines cut hospitalisations by around 84%, according to the first real-world data

The study, which looked at Scotland, says that one jab of AstraZeneca vaccine cut...

Pfizer-BioNTech's vaccine produces a much weaker immune response against the South Africa variant, a new study suggests

Pei-Yong Shi, the study's co-author, said Pfizer's vaccine would likely still be...

Israel study reports 94% drop in symptomatic Covid-19 cases among people who get 2 doses of Pfizer shot

Research by an Israeli healthcare provider shows people who get the Pfizer vaccine are at...

How Johnson & Johnson's Covid-19 vaccine compares to shots from Pfizer and Moderna

Johnson & Jonhson's coronavirus vaccine is the only one that's been broadly tested as...

Pfizer vaccine is 93% effective, and nobody died of 520,000 vaccinated people, Israeli healthcare giant says

More than 2.3 million of Israel's 9 million people have been fully vaccinated, more than...