Immune cells in the nose slow influenza virus, study finds

A new study from the University of Gothenburg may help guide the development of better influenza vaccines. Memory cells in ...
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DIFF Biotech's Innovative Nasal Spray Influenza Vaccine Receives Clinical Trial Approval, Introducing a New Attenuation Pathway

HANGZHOU, China, Feb. 9, 2026 /PRNewswire/ -- Zhejiang Difference Biological Technology Co., Ltd. (DIFF Biotech) announced that its proprietary nasal spray influenza attenuated live vaccine, DIFF-flu, ...