Azelastine nasal spray, commonly used to treat seasonal allergies, also may offer protection against COVID-19, a new study shows. But researchers warn it should not be used as a replacement for vaccination. More studies are needed.
Azelastine nasal spray, commonly used to treat seasonal allergies, also may offer protection against COVID-19, a new study shows. But researchers warn it should not be used as a replacement for vaccination. More studies are needed.