Los virus son pequeños y numerosos, son el conjunto de agentes biológicos más numeroso que se conoce. Tanto que, después de siglos y siglos conviviendo con ellos y de años estudiándolos, no conocemos ni una milésima parte de todos los virus existentes. Pero en esta era, en la que el viroma se está convirtiendo en […]
El 25 de noviembre de 2021 el Instituto Nacional de Enfermedades Transmisibles de Sudáfrica (NICD, por sus siglas en inglés) comunicaba la identificación de una nueva variante del SARS-CoV-2: B.1.1529. En apenas dos meses ha conseguido erigirse como la dominante a nivel global desplazando a Delta (B.1.617.2, detectada originalmente en India), gracias a su alta capacidad de […]
From coast to coast and beyond, participants in ongoing clinical trials of COVID-19 vaccines are discovering just how frustrating it can be to take part in medical research. Belated and unavailable booster shots in the middle of the Omicron surge are the sticking point now, following on the heels of […]
In 2020, it was hard to imagine that the situation could get worse for doctors. But 2021 presented a new set of challenges. As quarantines lifted and physicians tried to get back to work, they were forced to deal with reduced staff, continuing COVID stress, and pandemic-related anxieties about family […]
Sperm quality is impaired for months in some men after recovery from COVID-19, researchers have found. They studied semen samples obtained from 120 Belgian men with an average age of 35 years, at an average of 52 days after COVID-19 symptoms had resolved. The semen itself was not infectious, the […]
Two months after Pfizer’s covid vaccine was authorized for children ages 5 to 11, just 27% have received at least one shot, according to Jan. 12 data from the Centers for Disease Control and Prevention. Only 18%, or 5 million kids, have both doses. The national effort to vaccinate children has […]
A la vista de las últimas publicaciones científicas, la EMA´s COVID 19 Task Force subraya que hay evidencias crecientes que indican que las vacunas de ARN mensajero frente a la COVID-19 no causan complicaciones en la gestación ni para la madre ni para sus bebés. La Task Force revisó varios estudios que […]
Experts have said that describing the Omicron variant as “mild” ignores the harsh realities of a pandemic that’s far from over: more people than ever in the hospital, sick children, other health conditions made worse by COVID-19, and staff shortages. And although the odds of long hospital stays and death are […]
México ha iniciado el año en medio de la cuarta ola de covid. La variante ómicron ha disparado los contagios y decenas de miles de personas hacen largas filas cada día para conseguir una prueba que les permita corroborar si tienen el virus o no. En medio de un invierno complicado por el […]
Según Medscape Infectious Diseases, el responsable de la South Africa´s Medical Research Council ha comunicado que la doble dosis de la vacuna Ad26.CoV2-S de Janssen (J&J) tiene una efectividad del 85% para las hospitalizaciones causadas por la variante ómicron y que se mantiene al menos durante dos meses. El estudio incluyó 477.234 […]
