University of Vigo
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Professor of Immunology, director of the Center for Biomedical Research (CINBIO) and former president of the SEI
During Pfizer's appearance before the European Parliament this week, a company executive responded to the question of whether "Pfizer's vaccine was tested to stop transmission of the virus (SARS-CoV-2) before going to market" by saying "no".
Según datos de la OMS y UNICEF, 25 millones de niños no han recibido sus vacunas contra la difteria, el tétanos y la tosferina (DTP) a nivel global. Se trata de la mayor caída continuada en cobertura vacunal en casi treinta años.
The Minister of Health, Carolina Darias, announced in an interview on La Sexta that there will be a fourth dose of the covid-19 vaccine "for the entire population".
The director of the Vaccine Strategy of the European Medicines Agency (EMA), Marco Cavaleri, told a press conference on 11 January that "it is not sustainable in the long term to continue giving booster doses every three or four months [to the general population]". Spanish immunologists agree that this is not the right thing to do. In these reactions they explain why.
La EMA ha recomendado hoy la autorización de la quinta vacuna frente a la covid-19 para mayores de 18 años: la estadounidense Novavax, la primera basada en una plataforma de proteínas recombinantes.
The new B.1.1.529 variant, dubbed Omicron, has spread across the globe, with new countries announcing its detection with each passing day. While questions such as whether it is more transmissible are being investigated, the biggest question surrounds its relationship with vaccines - will they cease to be effective, and will this variant escape our immune systems? Several experts answer.
A study has monitored T-lymphocyte responses to the SARS-CoV-2 spicule in 71 healthy donors who received two doses of Pfizer's vaccine. After up to six months' follow-up, the researchers found that specific memory cells were generated and maintained and persisted for at least six months.