Zhejiang Difference Biological Technology Co., Ltd. (DIFF Biotech) announced that its proprietary nasal spray influenza attenuated live vaccine, DIFF-flu, has recently received clinical trial approval ...

DIFF Biotech’s nasal spray influenza vaccine, DIFF-flu receives China NMPA approval: Hangzhou, China Wednesday, February 11, 2026, 15:00 Hrs [IST] Zhejiang Difference Biological ...

Some 17 months ago, scientists detected an outbreak of highly pathogenic H5N1 avian influenza in dairy cattle in Nebraska in ...

The need for more effective protection against influenza continues to grow, as the virus consistently causes significant illness and mortality worldwide New human clinical data from Leyden ...

A virus-agnostic nasal spray called ‘INNA-051’ was designed to increase innate immunity and prevent respiratory illnesses ...