the symptoms of corona virus can vary. if you are healthy and exposed to the virus, you may get flu-like symptoms. but if you are old and have auto immune or lowered immunity, then exposure to COVID can be detrimental. the crucial problem is the uncertainity of whom, with a lowered immunity, you may transfer the virus to unknowingly during it's 10 day incubation period.
what you can control is keeping yourself isolated to protect your fellow humans.and in your auarantine you should try to boost your immune system by:
getting enough sleep: according to Harvard health, just one night of poor sleep can reduce your immune cells by as much as 70%.
taking your daily supplements.
doing exercise: you should get your heart rate up every day.
trying to relieve tension and stress: because it severly compromises your immune system.