There's one big difference though - Pfizer is seeking a green light for second booster dose of Comirnaty for people aged 60 and over and those in high-risk groups, while Moderna is going for a ...

For Pfizer's and Moderna's two-shot vaccines, the second shot amplifies an existing immune response, so people typically feel more run-down after that dose. Vaccines prompt our bodies to produce ...

The highest rate was seen after the second Moderna dose (6.1 times the expected rate of cases), according to the study ...

Moderna said Monday that its combination vaccine against flu and COVID-19 drew a greater immune response in late-stage study results than two comparable vaccines on the market. The company's ...

which says that fully vaccinated people—those who are at least two weeks out from their second Pfizer-BioNTech or Moderna dose, or the single-dose Johnson & Johnson shot—can visit with ...

died in August within days of receiving their second Moderna doses. Each had received a dose from one of the suspended lots. The cause of death in the two cases is still being investigated.

All second dose appointments scheduled for Tuesday, February 23, through Friday, February 26, at the Allentown Fairgrounds are canceled, the city said Monday. The health bureau has enough Moderna ...

In a record-breaking span of just 11 months, Moderna created, developed, manufactured, and got regulatory authorization for mRNA-1273, a two-dose covid vaccine that is one of the first two mRNA ...

The FDA said J&J vaccine recipients can get a second dose of any of the authorized vaccines. Studies have shown that following a J&J vaccination with an mRNA booster from Pfizer or Moderna may ...