US opens to vaccinated international travelers. Here’s what that means for you.

The U.S. finally reopened to vaccinated international travelers today. The pandemic travel ban is being lifted on international visitors from more than 30 countries.
Many others from around the world have touched down or will soon land or take off now that the 20-month COVID-19-related ban on international travel has finally been lifted.  
International visitors have to show proof of vaccination and a recent negative COVID-19 test. Exceptions include travelers under age 18 and those traveling from countries with low vaccine availability.
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The Port Authority says the reopening will make for full flights and long lines at Newark Liberty International Airport. Airlines are especially excited about the move, as many have struggled throughout the pandemic and are slowly trying to get back to full speed both operationally and financially.