At a Glance The cases are not tied to international travel.Malaria is so rare in the U.S. that the disease is considered eradicated.In parts of Florida where it's generally warm all the time, mosquito activity is year-round. Sign up for the Morning Brief email newsletterto get weekday updates from The Weather Channel and our meteorologists. A​ second very rare case of a person being infected with malaria from a local mosquito bite is being reported in Florida. State health department...