I have had covid three times. I lost my smell the first time having it but I got it back after three weeks. It felt strange when I lost my smell. I wasn't sure that I had lost it because I could still smell stuff but it was a weird smell and not the smell it should have been if that makes sense. Having Covid, according to my Doctor brought my Asthma back as it was dormant for years. Now I need steroid inhalers to be able to breathe properly.