Responding specifically to your paragraph in bold. It's a good question and for me a difficult one because medicine, like science, is always changing.
For example, right now in the US there's big debate on whether Joe Rogan, a podcast host, should be removed from the streaming service Spotify. He claims to have taken controversial Ivermectin, prescribed by a doctor, when he had covid and that it greatly helped him. He also has a lot of negative things to say about vaccines. Various musicians are giving Spotify the ultimatum of kicking Rogan off or they'll remove their music from the service.
However, just today a well-known pharmaceutical company in Japan has released information from a clinical trial showing the drug has been helpful against omicron.
Japan's Kowa says ivermectin has 'antiviral effect' against Omicron, other variants
https://www.nasdaq.com/articles/japa...other-variants
If the drug remains helpful as they conclude their clinical trial, that's something to be taken very seriously.
This is why I've been researching what other nations are doing and it's clear no two nations are following the exact same path in battling this virus.