Summary What is already known about this topic? Adults aged ≥18 years reported adverse reactions less frequently after receipt of a homologous Pfizer-BioNTech COVID-19 booster dose than after the second primary dose. What is added by this report? Among persons aged 12–17 years, reactions after Pfizer-BioNTech booster vaccination were generally […]
It’s a matter of quality, not quantity. That’s the gist of a new Israeli study that shows that unvaccinated people with a prior SARS-CoV-2 infection create antibodies that are more effective in the long run compared with others who were vaccinated but never infected. “While the quantity of antibodies decreases with […]
A small study of deceased nonvaccinated men who died of COVID-19 complications suggests the testes may be a sanctuary for the SARS-CoV-2 virus, raising questions about potential consequences for reproductive health among those infected. The study, published online Tuesday on the preprint server MedRxiv, found that “patients who become critically ill exhibit severe […]
What is already known about this topic? In preauthorization trials, adverse reactions were reported less frequently following a homologous COVID-19 mRNA vaccine booster dose than after receipt of the second primary dose. What is added by this report? Review of surveillance data found that local and systemic reactions were less […]
Desde la aparición de la variante ómicron hace diez semanas se han notificado cerca de 90 millones de casos a la Organización Mundial de la Salud (OMS), un registro superior al declarado en todo el año 2020, pero la mayor preocupación expresada este martes por el organismo fue el fuerte aumento de fallecidos […]
Human clinical trials have started for an experimental HIV vaccine that uses the same kind of mRNA technology found in Moderna’s successful COVID-19 vaccine, the drug company announced this week. The first vaccinations were given Thursday at George Washington University School of Medicine and Health Sciences in Washington, DC, the company said […]
A new study from the Center for Disease Control and Prevention confirms what Mayo Clinic and other experts have been saying: COVID-19 booster vaccinations improve protection against severe illness and hospitalization. The study examined people who had three doses of the Moderna or Pfizer COVID-19 vaccines, as well as whether it was a booster dose or […]
Coronavirus disease 2019 (COVID-19) is a disease characterized by a profound dysregulation of the innate immune system. This knowledge has emerged from the large body of single-cell omics studies of patients with COVID-19, which have provided one of the most detailed cellular atlases of a human disease ever. However, we […]
Researchers have raised concerns about the reliability of pulse oximetry in the assessment of patients with COVID-19 infection, particularly those from Black, Asian, and minority ethnic groups, warning that this could lead to a delay in patients receiving appropriate care. The University of Nottingham and Nottingham University Hospitals NHS Trust […]
En la revista The Lancet Infectious Diseases se han publicado los resultados de la fase II de una vacuna de subunidades proteicas recombinantes,CoV2 preS dTM, de la farmacéutica Sanofi, utilizando como vector de expresión a un baculovirus, formulada con el adyuvante AS03 de GlaxoSmithKline. Dos inyecciones de la vacuna con diferentes concentraciones […]
