Covid nasal spray: Can nasal sprays kill Covid?

He added: “It incubates there for seven days: if it gets to a certain viral load, then it drifts down through the trachea into the lungs, which causes symptoms.”

A nasal spray would destroy the virus, but require a regular application to maintain its effectiveness.

As such, it would serve as another tool people could use rather than a definitive solution to contracting the disease.

Doctors have warned people not to conflate them with vaccines, which train the immune system to prevent infection.


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