text:  Normally, what would have been a summertime season, maybe a few months long when the vectors are most active, that's getting extended and getting longer because it's warmer in May and April than usual. And it's warmer in October and November than usual. LeBeau also says the U.S. isn't well prepared for the growing threat of a full scale outbreak. We have no vaccines against these things. Everyone's naive, which means they haven't seen this infection. They're not already protected against it.