Here's a potential alternate interpretation of the data that occurred to me: Perhaps bisexual people are more likely to have more sex, which means they're more likely to contract STD's, which means that on average they are immunologically different to some degree and might legitimately get different physiological consequences from COVID. I don't actually believe this - I think your theory is at least as likely - but I'd be very interested in any analysis that tries to look into this.
Very interesting research!
Here's a potential alternate interpretation of the data that occurred to me: Perhaps bisexual people are more likely to have more sex, which means they're more likely to contract STD's, which means that on average they are immunologically different to some degree and might legitimately get different physiological consequences from COVID. I don't actually believe this - I think your theory is at least as likely - but I'd be very interested in any analysis that tries to look into this.