We asked experts about how the technology works, its safety and its potential in medicine. By Nina Agrawal Health Secretary Robert F. Kennedy Jr. has repeatedly questioned the safety of mRNA vaccines ...

What is an RNA vaccine? RNA vaccines, or messenger RNA (mRNA) vaccines, are a relatively new type of vaccine that delivers mRNA molecules to human cells, instructing them to produce specific antigens.

Bivalent EABR mRNA boosters broaden neutralizing responses to Omicron subvariants by promoting diverse receptor-binding domain epitope targeting, although antibody responses remain partially shaped by ...

Silencing mRNA expression in dendritic cells did not impair T‑cell priming, including for SARS‑CoV‑2 antigens, suggesting that cross‑presentation by other cell types is sufficient to initiate immunity ...