The ban also does not apply to all of Europe but to nations in the Schengen zone. That includes Austria, Belgium, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Italy, Latvia, Liechtenstein, Lithuania, Luxembourg, Malta, The Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, and Switzerland.
What this means: [only] Americans and US permanent residents who are in Europe will still be allowed to fly to Europe and be allowed back into the United States during this 30-day period. They will simply be screened upon entry to the United States and face quarantine or restrictions on their movement in the US for 14 days. However, it is not clear whether airlines will still fly the routes if passenger demand from European nationals dries up because of the ban.