Risk reduction for:
Lack of social interaction

1. Keep in touch via phone — Audio conferencing
2. Video conferencing (e.g. https://zoom.com)
3. Game night. Play multiplayer games on line (e.g. https://colonist.io)
4. Share information on your activities; favorite tv shows and movies
5. Read a book
6. Go for walks
7. Learn something new; develop a new hobby
8. Play music                                                                                                 
9. Volunteer
10. Reduce stress by eating healthy; exercising, getting plenty of sleep
11. Maintain an optimistic mindset
12. Cultivate practices that produce contentment and avoid excitatory practice like checking your smartphone too often
13. Avoid stress eating

We welcome your comments below about these alternatives as well as suggestions for others to add to this list.

References:
The psychological impact of COVID-19 isolation, as explained by scientists
Staying social when you’re forced to isolate
Ways to cope with stress
COVID-19 Is Coinciding With a Loneliness Epidemic
Effects of Social Isolation Caused by COVID-19 Pandemic
Managing Life at Home During the COVID-19 Outbreak