If you are already infected, a vaccine is not useful.
But regardless, there is no approved treatment for COVID.
Gilead's new antiviral looks promising, and the Chloroquine/Azithromycin combo looks promising, too, but the first isn't approved for any use yet, and the second is an uncertain off-label use, so in either case, you aren't going to get those treatments unless the alternative is likely death, if you can get them them at all.
If you are already infected, a vaccine is not useful.
But regardless, there is no approved treatment for COVID.
Gilead's new antiviral looks promising, and the Chloroquine/Azithromycin combo looks promising, too, but the first isn't approved for any use yet, and the second is an uncertain off-label use, so in either case, you aren't going to get those treatments unless the alternative is likely death, if you can get them them at all.