There are no assets that are immune I think if facing a pandemic that has an impact all over the world. Investors are also ordinary people, certainly also choose to release some of their investments to fulfill life in the real world. Only the durability varies.
All investment products declined amid this pandemic. Most people prefer to hold fiat, as a "safe" way to maintain value. This is also the most effective way because of difficult conditions, the need for life must still be fulfilled, while many things are decreasing productivity.