Cleaning with suspected coronavirus in house

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My 18 year old ds has felt a bit warm with a headache since this morning, he is in his room and using our main bathroom, the rest of us our using downtairs toilet and ensuite.
I am confused as to how to keep bathroom clean that he is using, should he do it or is it okay for me to?

Imo if you are ok to carry on using separate bathrooms he should do it until his seven days are up. By then, presumably, if he's ok to mix with people again then it's ok for you to clean the bathroom he's been using. If you want to

Govt guidance suggests the infected person should do it - although think that’s in the guidance for households with only one bathroom. Bet there’s a lot of mums facing this question.....

Would he do it properly (with guidance)?

If you’ve got to do it, I’d think: wait til any aerosols have died down (don’t dive in straight after he’s been in); gloves plus mask or even a scarf over mouth; wash outside of gloves at end and dry them by hanging over bath or shower; wash yr hands just to be sure.

Disclaimer, am not an expert in any way.