Everyone returning from or arriving from EVD epidemic areas should have one of these sensors applied for the first month. Certainly some algorithm could be worked out so the normal temperature fluctuations of daily life could be eliminated from the data and an onset of fever noted.
It seems to me that waiting for a temperature of 100.3 and the onset of diarrhea for someone potentially exposed to Ebola is waiting too long. The onset of any fever would require a time of quarantine, monitoring and early treatment. More lives would be saved and the public would feel safer.
Could some sort of sensor that gives realtime tempature data (maybe something with adhesive attached to the skin) link to an app that would report the data be developed? Knowing the temperature history of anyone who developed EVD could add useful information and possibly enhance contact tracking. At the least an app that would remind someone to take and record their temperature twice daily would add useful data. People can easily forget some newly added task to their daily routine and even well educated people can be in denial.