It really depends on your environment. If you live in a high rise apartment building where you have to use a lift, then it would be wise to wear gloves when pressing the lift buttons outside the lift and in. It is very surprising how very quickly viruses take hold. My Guillain Barre Syndrome and now CIDP was diagnosed as virus when I had a lumbar puncture.
Don't get too close to anyone. Try not to go to the hospital. They do not like old people at the best of times and you really will fare better at home where you can be a lot more comfortable than a hospital who resents you. I can never understand why people are so ready to take their elderly friends and relatives to hospital. I have told my children that they would never be considered responsible for any illness, just do not take me to hospital. I remember one elderly friend years ago telling me she had a heart attack. She said she knew nothing about it, and they resuscitated her, but she said she still had to die, just did not know when, and as she knew nothing about the heart attack she wished they had left her alone! It is not as ungrateful as it sounds. When she did get ill she spent 6 weeks in hospital waiting to die.
I do not take chances, though I do not wrap up in cotton wool either. One thing I do for cleanliness is never to have hand towels. I buy a few dozen cheap face flannels and keep them on the bathroom cabinet - just the right size - and wash my face with one, put it out for the wash, then dry with another. I dry my hands with a clean flannel. Not only has this been a success for 30 years, but they are so much easier to put in the washer and dry, so I never used the hand towels. No point for one only use and nothing to go grey. For the shower I used a bath sheet to dry myself where I can reach and a hair dryer to dry my toes and do that on the bed because I cannot bend down to them, and mop up the wet room floor with the bath sheets.
Talking about drying feet on the bed: I always put my tights, socks and shoes on on the bed where I can draw my feet up to my arms to put them on to save bending down. In fact, dressing and undressing on the bed is a lot easier than trying to stand up long enough!