Here’s the tl;dr for you all: find regions of coronaviruses that tend to not change. Develop an antibody that sticks to that area and check it doesn’t make th

Here’s the tl;dr for you all: find regions of coronaviruses that tend to not change. Develop an antibody that sticks to that area and check it doesn’t make things worse when present. If it “gets in the way” of infecting cells, profit! This can apply to all viruses, assuming there are areas where changes break the virus’ function.