Israeli and Portuguese scientists unveiled a novel COVID-19 vaccine that is not only effective against all major variants but can be administered as a nasal spray and — unlike conventional vaccines — ...
Australian biotech company Ena Respiratory said on Monday that a nasal spray it is developing to ... flu significantly reduced the growth of the coronavirus in a recent study on animals.
If you suspect your runny nose and other symptoms are caused by COVID ... your nasal membranes and eyes. You may also be allergic to dust, pet dander, or wildfire smoke. Nasal secretions from ...