Immune System

Pfizer CEO Albert Bourla on Sunday said the vaccine maker plans to submit data on a fourth dose of its COVID-19 vaccine to the U.S. Food and Drug Administration because protection after three doses is “not that good against infections” and “doesn’t last very long” when faced with a variant like Omicron.

The messenger RNA (mRNA) from Pfizer’s COVID-19 vaccine is able to enter human liver cells and is converted into DNA, according to Swedish researchers at Lund University.

Findings conflict with CDC's claim that vaccine never enters nucleus

Scientists worry self-spreading vaccines could be hijacked to make biological weapons.

Boy's mom described how blisters began appearing on her son's body within 8 days of his first dose on Dec. 4, and how doctors initially misdiagnosed his condition.

Dr. Danice Hertz remembers vividly the day she got a COVID-19 vaccine.

Both sides have a compelling rationale to end the mandates and the State of Emergency. It's time to trust the judgment of the American people.

Despite conclusive evidence young children have virtually no risk of severe complications or death from COVID-19, Pfizer, at the urging of federal health officials, is hustling to get infants and toddlers injected with experimental COVID vaccines.

Medical debt is the predominant cause for about 25% of consumer bankruptcies, with medical debt often triggered by "sudden adverse events — such as vaccine-induced myocarditis.

20% of people won’t have a good immune response to the vaccine, even with booster.