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 ...

The aftertaste isn’t the most pleasant (which isn’t unexpected for most nasal sprays). Another thing to note is that the spray might make you drowsy, so it’s best to use it before you go to bed.

For example, a Randomized Controlled (clinical) Trial published in 2022, determined that a saline-nasal spray containing xylitol and other ingredients reduced the rate of COVID-19 infections by 62 ...

As the pandemic continues, many countries are rolling out COVID booster vaccines. In the UK ... to deliver mucosal vaccines including nebulisers (a machine that turns liquids into a fine mist that can ...

"It’s given as a nasal spray, is safe and gives effective ... The flu vaccine gives children the best protection against flu and COVID-19 as the cold season fast approaches.