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Intensity and duration of SARS-CoV-2 immunity may depend on ABO blood group

Intensity and duration of SARS-CoV-2 immunity may depend on ABO blood group A team of scientists from Canada and Spain recently evaluated the durability of antigen-specific immune responses in coronavirus disease 2019 (COVID-19) recovered individuals. They have also identified potential host factors associated with robust and long-lasting anti-severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) immunity. The study –conducted by researchers at the University of Alberta and the Gregorio Marañón University General Hospital – is currently available on the Background The intensity and persistence of COVID-19 symptoms primarily depend on the robustness of host immune responses. To protect the global population from COVID-19, it is vital to develop anti-SARS-CoV-2 immunity via natural infection or vaccination. However, in COVID-19 recovered individuals, a sharp decline in humoral immunity has been observed after 6 – 8 months of symptom onset. The short durability of an

Portrait of Portuguese duchess praised by Sor Juana up for auction in Uruguay

Portrait of Portuguese duchess praised by Sor Juana up for auction in Uruguay 2 minutes read By Concepcion M. Moreno Montevideo, May 24 (EFE).- A miniature portrait painting of a Portuguese noblewoman who won the praises of 17th-century luminary Sor Juana Ines de la Cruz is set to go up for auction this week in Uruguay. The intimate piece (used at that time only to commemorate the promise of marriage or as a family keepsake) measuring 9 centimeters by 7.4 cm shows a young Maria de Guadalupe of Lencastre, sixth Duchess of Aveiro (1630-1715). The portrait shows a face more similar to the one seen at the Monastery of Santa Maria de Guadalupe in the Spanish province of Caceres than the portraits of her on display at Madrid’s Prado Museum or Real Academia de Bellas Artes de San Fernando.

Covid-19 vaccination drive in Spain: Nearly half of 60-69 age group have received at least one shot

People wait in line for the Covid-19 vaccine outside Gregorio Marañón Hospital in Madrid.Jaime Villanueva / EL PAÍS The Covid-19 vaccination drive in Spain is speeding ahead. The regions – which are in charge of the vaccine rollout as well as containing the pandemic in their territories – are making a huge effort to deploy resources and set up mass vaccination sites to accelerate the immunization drive. A total of 100% of the over-80s have received the first dose and 78% have received the two shots needed for full protection in the case of the Oxford-AstraZeneca, Pfizer-BioNtech and Moderna vaccines. Some 67% of people in the 70-79 age group have also received at least one dose. In the last week, more than 400,000 doses were administered a day, which has pushed up the number of people aged 60-69 who have been vaccinated. Nearly half of this age group – 47% – has received at least one dose of the Covid-19 vaccine – a total of 2.5 million people.

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