Just like when the park opens, if you expect perfections and a no risk situation, lock yourself in your house until there’s a vaccine. If you touch a gas handle, it could be on there. Touch a door handle, could be on there. Touch a package of meat at the store, it could be on there. The only way you stay 100% safe is to stay home. Depending on 100% of the people that leave their homes to be a 100% safe, healthy, rule follower to the T, then I don’t know what to tell you, but that’s a fools errand