How do we know the next one will involve air filtration at all? Perhaps it will thrive on surfaces for long periods and will react negatively to air. How should

How do we know the next one will involve air filtration at all? Perhaps it will thrive on surfaces for long periods and will react negatively to air. How should we prepare for this or any other etiology that might be significantly different than this one? If we're constantly preparing for the last pandemic, and the next one is surprisingly different, wouldn't that be bad as well, as those resources could have been used better in the intervening time? But, also, wouldn't it be better to determine the cause of this one so we know not to do whatever it was that caused this? For example, try to discourage exotic meats that might be host to the virus and/or eliminate or strictly control gain of function research, depending on the actual cause (or some other cause that isn't actually either of these)?