Valdecilla Health Research Institute (IDIVAL)
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Scientific Director of the Valdecilla Health Research Institute (IDIVAL), Head of the Immunology Department, and Professor of Immunology at the University of Cantabria-Marqués de Valdecilla University Hospital
The Ministry of Health has announced that Spain will receive the MV Hondius in the Canary Islands “in accordance with international law and the spirit of humanitarianism”. The government is thus responding to a request from the World Health Organisation (WHO) and the European Union for the cruise ship, which is travelling from Argentina and has an outbreak of hantavirus on board, to dock in the Canary Islands, in the port of Granadilla, Tenerife. The European Centre for Disease Prevention and Control has assessed which passengers should be evacuated from the ship to Cape Verde, where it is currently located, and which will continue on to the Canary Islands. Once there, they will be examined and transferred to their home countries in accordance with safety protocols. The cruise ship is expected to arrive in the archipelago in three or four days.
Measles cases in Europe and Central Asia fell in 2025 compared with 2024, according to preliminary data reported by 53 countries in the World Health Organization (WHO) European Region. This decline aligns with the preliminary figures published this week by the European Centre for Disease Prevention and Control (ECDC). According to the WHO, countries in Europe and Central Asia reported 33,998 measles cases in 2025, representing a decrease of nearly 75 % compared with the 127,412 cases recorded in 2024. In Spain, however, the number of cases has increased, as shown by data from the Carlos III Health Institute. A few weeks ago, the WHO announced that Spain had lost its measles-free status.
Severe combined immunodeficiency due to ADA enzyme deficiency is a rare disease that, without treatment, usually causes death within the first two years of life. These "bubble children" are currently treated with a bone marrow transplant or with injections that aim to restore, to the extent possible, the function of this enzyme. Now, an international team presents the results of a gene therapy administered to 62 children with the disease between 2012 and 2019. The therapy was effective in 95% of cases and did not cause serious complications, according to the authors, whose work is published in the journal NEJM.
The Karolinska Institute has awarded the Nobel Prize in Medicine or Physiology to Mary E. Brunkow, Fred Ramsdell and Shimon Sakaguchi for describing how the immune system is regulated so as not to harm us. His groundbreaking discoveries on peripheral immune tolerance have spurred the development of new treatments for cancer and autoimmune diseases.
A US team has analysed the presence of beta-amyloid deposits – which are linked to Alzheimer's disease – in the post-mortem retinas of four people with covid-19 and found that they were larger than in four people without covid. In complementary experiments, the SARS-CoV-2 spike protein in retinal organoids produced an increase in deposits, while the use of a drug that blocks the virus from binding to neurons reduced their accumulation. The results are published in the journal Science Advances.
If immunisation rates continue to decline over an extended period, measles and even other eradicated diseases—such as rubella and polio—could re-emerge in the United States at endemic levels, according to a new study published today in the journal JAMA.