Waking up with a stuffy nose is common and usually caused by allergies, nasal inflammation, post-nasal drip, sleep position ...

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.

Empty nose syndrome (ENS) is the feeling you get despite your nose being empty. ENS can happen if surgery takes out too much tissue inside your nose. Empty nose syndrome is an uncommon and complex ...

An over-the-counter nasal spray which has been used for years as a safe and effective treatment for seasonal allergies could potentially prevent Covid infections, according to clinical trial results ...

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 ...

Since the early days of the coronavirus pandemic, a niche subset of experimental vaccines has offered the world a tantalizing promise: a sustained slowdown in the spread of disease. Formulated to ...

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 ...

Are nasal sprays the future of COVID-19 vaccines? That’s certainly the hope of many researchers working on new kinds of inoculation. Nasal vaccines were recently approved in China and India for use as ...

Vaccines are usually administered with a needle poke into the arm. But what if instead of a poke, you could get vaccinated with a huff and a puff? Administered through the nose, nasal vaccines are ...