John Beigel News Today

(CTN News) - The avian influenza virus, also known as bird flu, causes infection in birds and other animals. Hemagglutinin (H)..................

A $5 billion federal program aims to make better Covid vaccines. But vaccine makers are confused by murky regulatory guidance.

Advisers to the U.S. Food and Drug Administration (FDA) on Thursday voted unanimously to replace the original Pfizer and Moderna primary series mRNA COVID-19 vaccines with the bivalent boosters designed to target Omicron variants. The bivalent...

At long last we understand Covid's mechanism of infection; it remains only to fund the nasal vaccine efforts to leverage our understanding.

Several vaccine companies say they are expecting breakthroughs as early as this year as they pursue new ways to protect people against SARS-CoV-2, the virus that causes COVID-19.

Pivotal results on a variety of next generation approaches are expected soon, as a panel of FDA advisers is set to weigh the future of immunization against SARS-CoV-2.

Scientists do not yet know how well the vaccine and the drug used to treat the infection are working. Two new trials will provide answers.

To prevent the disease from becoming endemic, the U.S. needs a vaccine that stops transmission, but no one knows if Jynneos does that.

The approach, which would require a new emergency authorization, would involve injecting one-fifth of the current dose into the skin instead of a full dose into underlying fat.

"The downside is, if you cut it too far or take too many liberties, you reduce the efficacy." Read more at Boston.com.