Britons Test New Ebola VaccineFlorida will require 21-day health monitoring of people returning to the state from Ebola-affected countries in Africa, Governor Rick Scott said, even though the state has no airports authorized to receive travelers from the three nations.¬†Scott signed an executive order mandating twice-daily health evaluations of anyone who has come from Guinea, Liberia and Sierra Leone. Four known individuals fall into that category in Florida, Scott said in a news release. If a person is deemed to have had a “high risk” of contracting the disease, Florida will take further action, which may include mandatory quarantine. Scott said the federal Centers for Disease Control and Prevention (CDC) has declined to identify risk levels of people who have returned from those three African countries. More