My sympathies to you and your wife, to have to go through this ordeal. Hopefully she will come though this ordeal on schedule. The chances for a good recovery are high, 99%, so though it is distressing now better days will almost certainly come.
Probably our US readers do not know what
Dengue and hemorrhagic fever are, so hence the link to the CDC.
World wide it is a huge problem. It is getting worse in the Americas, and southern states not immune, but most US cases are in travelers returning home.
I never saw a case.