Add Yahoo as a preferred source to see more of our stories on Google. An over-the-counter nasal spray which has been used for years as a safe and effective treatment for seasonal allergies could ...

How does the immune system fight pathogens? The immune system has two distinct components: mucosal and circulatory. The mucosal immune system provides protection at the mucosal surfaces of the body.

Stanford Medicine researchers and collaborators have produced an intranasal liposomal vaccine that protected mice against ...

Stanford Medicine researchers have developed an intranasal liposomal vaccine that protected mice against SARS-CoV-2, ...

Researchers have developed an intranasal COVID-19 vaccine that enhances the immune system’s response to the virus, providing longer-lasting, greater protection than vaccine injections, even against ...

Neffy nasal spray shows comparable efficacy to IM epinephrine for type I allergic reactions, with 92.3% symptom resolution after 1 dose.

The U.S. led the world in quickly developing COVID-19 vaccines—one of the few bright spots in the country’s otherwise criticized response. But while injectable vaccines are effective in protecting ...

E-cigarette users and smokers had significantly higher amounts of Staphylococcus aureus in their respiratory microbiome than nonsmokers, and microbial diversity differed by sex, according to a new ...

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 Labs show ...