Histamine
Common allergy nasal spray reduces risk of COVID-19 infection by 66%
In a recent clinical trial, adults who used azelastine nasal spray were less likely to catch COVID-19 than those who used a look-alike placebo.
Joseph Shavit
In a recent clinical trial, adults who used azelastine nasal spray were less likely to catch COVID-19 than those who used a look-alike placebo.
Joseph Shavit