EYECARE: Coronavirus BRIEFING: Crisis Response Tactics What to Know Before Heading to Europe This Summer By Staff Thursday, May 20, 2021 2:15 PM Many European countries are opening up to vaccinated tourists this summer, and many vaccinated tourists are already packing their bags and pulling up their airline apps to get going as quickly as possible. But there are still some restrictions when it comes to travel, and those can change from country to country. Head over to The New York Times for a rundown of things you need to know before heading to six of Europe's most popular tourist destinations: Croatia, France, Greece, Italy, Turkey and the United Kingdom.