WASHINGTON — Researchers studying next-generation vaccines to fight an evolving Covid-19 threat are running into problems getting existing vaccines to use in their research.
These mucosal vaccines target thin mucous membranes that line the nose, mouth and lungs. By prompting immune responses where SARS-CoV-2 first enters the body, mucosal vaccines could, in theory, prevent even mild cases of illness and block transmission to other people — something COVID-19 shots have been unable to do. Vaccines that produce sterilizing immunity would be game changing for the pandemic. ...
The antibody reported as having been isolated at the IIBR is monoclonal, meaning it was derived from a single recovered cell and is thus potentially of more potent value in yielding a treatment.
The crisis that has hit Jackson, Miss., highlights the fragility of water systems across the country that will be increasingly vulnerable to the effects of climate change in the coming years. ...
Historic flooding and record droughts are already stressing water systems across the country, but as the threats to infrastructure posed by climate change intensify, experts warn that what happened in Jackson may be just the beginning.
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