However, a recent U.K. community-based population study found that those who have previously been infected with SARS-CoV-2, which causes COVID-19, demonstrate a lower rate of new Omicron BA.4/BA.5 infections compared to those who were vaccinated.
A case report in the medical journal Frontiers in Immunology highlights a rare case of a patient developing rheumatoid encephalitis after receiving a booster immunization of the mRNA-1273 COVID-19 vaccine, raising concerns about potential adverse reactions to the vaccine.
COVID-19 vaccines pose risks of thrombosis and hemolysis for people with blood disorders, while certain adverse effects are linked to vaccines, according to a new journal article in Frontiers that calls for extra caution and future research.
As the Biden administration pushes the Department of Health and Human Services to make “gender-affirming health care” more widely available, HHS’s own National Institutes of Health is funding multiple studies premised upon how little research has been conducted on the long-term risks of taking cross-sex hormones and whether they improve mental health.
"To our knowledge, our study is the first to detect Pfizer-BioNTech and Moderna COVID-19 mRNA vaccine sequences in blood after vaccination, and therefore provides new knowledge regarding the timeframe in which the mRNA can be detected," the study authors write.
A study found elevated levels of spike protein circulating in the bloodstream of individuals who developed postvaccine myocarditis after receiving the Pfizer and Moderna COVID-19 vaccines, which might potentially contribute to myocarditis by causing inflammation.
Less than a month after the CDC marked the two-year anniversary of the first administered COVID-19 vaccine by telling Americans to get a bivalent booster, two peer-reviewed German studies have found that mRNA vaccines — the vast majority of the U.S. market — induce worse antibodies compared to traditional adenovirus vaccines.