If the pool of Bethesda encounter with Jesus where to happen today it would be written differently. We don’t know how many sick people there were around the pool but we know that Jesus came to one. The Bible celebrates the healing of the one; today we would list the other 99 hat were there that didn’t recieve their healing to validate why God does not heal everyone.
If you are really concerned about the other 99 then get alone with God so that you bring the answer. This was simply a demonstration that one person has not been given the assignment to heal everybody. All of us function as God has called us so that we are able to bring the break through to everyone around the pool.