I'm using a nasal spray and a nasal rinse - you might want to also

I don't do my own research, but I like to do a good literature review now and then. 1 Back in the fall, an old friend who is now a retired physician, told us that she has started using nasal sprays and nasal rinses to prevent COVID-19 and other respiratory infections like flu and RSV. The idea of spraying or rinsing my nose made me shudder but I thought I should check it out and now I am a…