COVID nasal sprays may one day prevent and treat infection. Here's where the science is up to
ShutterstockWe have vaccines to boost our immune response to SARS-CoV-2, the virus that causes COVID. We have medicines you can take at home (and in hospital) to treat COVID. Now researchers are trialling something new.
They want to develop drugs that stop the virus getting into the body in the first place. That includes nasal sprays that stop the...




