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.

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 ...

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? Subscribe to our newsletter for the latest sci-tech ...

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 ...

Researchers at the Yong Loo Lin School of Medicine, National University of Singapore (NUS Medicine) and Monash University in ...