‘Breakthrough’ cases are rare
By EMILY WOODRUFF - Associated Press
Brian Snipes receives a drive-thru vaccination March 29 at “Vaccine Fest,” a 24-hour COVID-19 mass vaccination event in Metairie, La., just outside New Orleans, hosted by Ochsner Health System and the Jefferson Parish Government. The U.S. moved closer April 1 toward vaccinating 100 million Americans in a race against an uptick in COVID-19 cases that is fueling fears of another nationwide surge just as the major league baseball season starts and thousands of fans return to stadiums.
NEW ORLEANS More than 120 fully vaccinated people in Louisiana have tested positive for COVID-19 more than two weeks after their last dose of the vaccine, according to officials with the Louisiana Department of Health.
Fine-tuning deep brain stimulation plus exercise restore movement in ataxia
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NIH begins study of allergic reactions to Moderna, Pfizer-BioNTech COVID-19 vaccines
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NIH begins study of allergic reactions to Moderna, Pfizer-BioNTech COVID-19 vaccines
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Lab-cultured mouse embryos, grown for an extended period, offer a new window on fetal development
In the course of an experiment pushing the length limits of in vitro growth, mouse embryos went from translucent clumps of cells to fetuses with beating hearts and blood cells. Image credit: Jacob Hanna
In a potential methods breakthrough, stem cell biologists grew mouse embryos for five-and-a-half days in vitro, longer than ever before. Appearing recently in
Nature, the study unveils new protocols and equipment, including a temperature-and-pressure-controlled incubator that enabled the coauthors to push the boundaries of embryo culture in the lab. Long-lived laboratory mouse embryos could be a revolutionary tool to study development and possibly to pinpoint when and how disorders arise.