As is a common error today about a variety of subjects the subject has been blown widely out of proportion;  this is a 'temporary' halt on incoming until detection procedures have been refined to better screen and evaluate. I ran an office for years in anchorage and several times I had to 'halt' the inflow of patients for a period of time so refurbishing, new work flow patterns, and new equipment could be installed- a temporary ban of customers so eventually on reopening I could serve them more efficiently and safely!!  Isn't that what our president is doing?  He's looking out for YOU!- not being a bully or unchristian as you've made him out to be!  Rethink your position, please.