48hrs later: partner is also exhibiting norovirus symptoms. Arguably worse than mine. Despite our best efforts not to, they almost certainly caught it from me.
Hand washing and disinfecting surfaces may not do much to prevent the spread of Covid; it certainly does help prevent the spread of contact diseases like norovirus. It’s on a very different scale though (a bad day or so, vs potentially bad rest of your life). But would still not recommend getting.