Adding 5 days of "sick days" with adjusted rates.
Many streamers use Twitch as a major way they supplement their income, or as their primary income, however if they can't stream due to being sick it directly cuts into their ability to support themselves and may be a driving reason for them to leave the platform for different services/jobs.
I would like to suggest 5-10 days a year in which a streamer can toggle on and earn a higher cut from subs, or a %match of bits. This would require the streamer not to be streaming that day so they can recover.
Part of this is driven by the fact that friends of streamers will drive bits/subs/donations to streamers who are sick, but a streamer may have to acquire medicine or different foods if they are sick. Providing them slightly boosted income will help support them and make it easier to justify spending in Twitch when someone is offline.