Using CRISPR-Cas9, researchers created chickens with increased resistance to avian influenza. But viral mutations arose that may allow replication in human cells.
The 2023 Nobel Prize in Physiology or Medicine was awarded to Drs. Katalin Karikó and Drew Weissman, for their role in the development of the Covid-19 vaccines.
New Covid-19 vaccines employ the same mRNA-based technology as previously approved versions of the vaccines. However, they target the XBB.1.5 omicron subvariant.
A recent report published by the CDC, provides strong evidence that Covid-19 vaccinations decrease the risk of emergency department or urgent care visits by children.
A report published by the CDC describes an outbreak of measles that occurred in Ohio. Cases were almost if not entirely in unvaccinated or partially vaccinated people.
Vaccine to protect California condors against highly pathogenic avian influenza appears to be safe. More birds now will be vaccinated and antibody levels monitored.