Advantages of intranasal vaccination against SARS-CoV-2: Intranasal vaccination is needle-free and elicits immunity at the site of infection, the respiratory tract
There are many reasons that an intranasal vaccine against the SARS-CoV-2 virus would be helpful in the fight against COVID-19 infections, University of Alabama at Birmingham immunologists Fran Lund, Ph.D., and Troy Randall, Ph.D., write in a viewpoint article in the journal Science. That route of vaccination gives two additional layers of protection over intramuscular […]
Longest known continuous record of the Paleozoic discovered in Yukon wilderness
Hundreds of millions of years ago, in the middle of what would eventually become Canada’s Yukon Territory, an ocean swirled with armored trilobites, clam-like brachiopods and soft, squishy creatures akin to slugs and squid. A trove of fossils and rock layers formed on that ancient ocean floor have now been unearthed by an international team […]