Nasal congestion happens when passages in the nasal cavity are blocked. 1 When nasal passages are blocked, nasal breathing can be more challenging, meaning it is harder to breathe through the nose ...

The toddler was triaged and given a nasal swab test to check for Covid-19 and influenza A and B. Wettstein said they sat down and waited to be called. And they waited. As Wettstein watched Ryan in ...

Nasal irrigation (also known as sinus irrigation) is a variation of a saline nasal spray. It still uses a saline solution but is applied with a larger sinus irrigation squeeze bottle. The saline ...

Researchers at Tel Aviv University have developed an effective, inexpensive, and simple COVID-19 vaccine that can be stored at room temperature and administered as a nasal spray Prof. Ronit Satchi ...