My wife is no longer neutropenic but she and I have stuck with many of the habits we learned when she was. We are careful when preparing food and careful about
where we eat out and
what we eat out. Here in Los Angeles, the county health department rates restaurants and assigns them letter grades that they must display in their windows. We stick to A-rated restaurants.
We also wash our hands more often than most people.
Here is an article about washing produce.
With a low ANC you have to be
very careful but everyone would do well to be more aware of the sources of infection and take common sense precautions to avoid them.