The cure for the common cold - what will it be like?

When it exists, it will be effective in 30% of people, and associated with intolerable side effects in another 10%. Thus doctors and patients, 60% of the time, will still have to hear the dreaded words: it's a viral infection, all we can do is try to improve your symptoms.

Progress doesn't march along, it sort of limps, gets lost, finds its way again, and lies down for a nap on occasion.