Fasting is a form of hormesis, a healthy form of stress on the body. But it is stress nevertheless. As a general rule, when you’re not well, don’t introduce additional stress for your body to deal with.
read this book ‘’the Phoenix Protocol Dry Fasting for Rapid Healing and Radical Life Extension: Functional Immortality.’’ Make sure its the 2020 edition as he talks about covid19.
But in short, no, it’s not good to fast while with corona.