They are coming. There is no doubt that they are coming. What we don’t know is when they will come and how many there will be. The last outstanding question is: Are we prepared? From a public-health standpoint, that is, and from the standpoint of dealing with seriously annoying things. Because mosquitoes are both a major health hazard and about the most irritating creatures known to man. Even ticks are easier to get along with, which is saying a lot, given that they are bloodsuckers, too.