Monitor with no treatment unless old or underlying conditions.
If old/high risk 7-10 days antiviral therapy with Kaletra ($ABBV) or hydroxychloroquine (off-patent) but not both.
m.koreabiomed.com/news/articleVi…
dailymail.co.uk/news/article-8…
medium.com/@adrianbye/is-…
Here is a translation of Italian treatment guidelines, listing Kaletra and hydroxychloroquine.
lavocedinewyork.com/en/news/2020/0…