Many people are having to use their cars for work purposes and to help out with collecting groceries for local people etc. These types of journeys may not be covered under your car insurance if you do not have business use listed on your policy.
It may be that you have an accident whilst running one of the errands and then find that your not covered. Most insurers have now come out to say that they are extending cover to these people who need to now use their vehicle for these purposes. It may be that you are volunteering with administering the vaccine or that you are taking elderly people to doctors appointments. It is vital that all of these things continue and it is nice to see that insurers are offering this to many customers without trying to charge them extra. If you are having to do any of these types of additional journeys then it is worth ringing your insurer to check that you are covered. You also need to keep an eye on how many miles you do and inform them if you think you are going to go over as they make need to adjust your policy for you.