CORONAVIRUS SPECIAL EDITION: These common underlying illnesses increase your risk

What would a massive quarantine look like in the United States? [Plus: Should you cancel your vacation?]( [VIEW ONLINE]( [Plus: Should you cancel your vacation?]( [National Geographic]( The Coronavirus Pandemic Coronavirus is poised to disrupt the everyday lives of millions of Americans. To help you and your families better understand the disease and learn how to protect yourselves, National Geographic is providing [free access]( to all of our coronavirus coverage. To support more content like this, please [consider subscribing to National Geographic](. GRAPHICS BY RILEY D. CHAMPINE [What would a massive lockdown look like in the United States?]( Two huge lockdowns are underway—of Italy and China’s Hubei province, each home to about 60 million people. In the U.S., a lockdown on that scale would equate to shutting off California, Washington, Oregon, Nevada, and Arizona. [SEE THE MAPS]( SHARE [F]( [T]( PHOTOGRAPH BY STR/AFP/CHINA OUT VIA GETTY IMAGES [These underlying conditions make coronavirus more severe]( High blood pressure, diabetes, and cardiovascular disease are associated with severe cases of COVID-19. Here’s how people at risk can protect themselves. [LEARN MORE]( SHARE [F]( [T]( PHOTOGRAPH BY MARCO DI LAURO, GETTY IMAGES [What happens when a new pandemic hits an ancient city?]( COVID-19 has emptied out the Piazza San Marco, St. Mark’s Basilica, and other attractions. "Venice is not meant to be deserted," says one resident. "Beauty is useless unless it is shared." [SEE THE PHOTOS]( SHARE [F]( [T]( Other coverage [You have a fever and a dry cough. Now what? (NPR)]( ›› [How canceled events and self-quarantines save lives, in one chart (Vox)]( ›› PHOTOGRAPH BY TED S. WARREN, AP IMAGES [Why some people are more vulnerable to catching coronavirus]( For certain professions and communities, public health recommendations are difficult, if not impossible, to follow. [READ THE STORY]( SHARE [F]( [T]( PHOTOGRAPH BY ALESSANDRO GRASSANI, THE NEW YORK TIMES/REDUX [Should you cancel your vacation?]( It's spring break—but around the world, festivals, parades, and sporting events are being postponed or canceled. Here's how some families are deciding whether to stay or go. [READ MORE]( SHARE [F]( [T]( PHOTOGRAPH BY BILL EPPRIDGE, THE LIFE PICTURE COLLECTION/GETTY [Why do we touch strangers so much?]( A history of the handshake—with roots spanning from ancient Greece to the American Quakers—offers clues. [READ MORE]( SHARE [F]( [T]( MORE FROM NAT GEO [How travel insurance can—and can’t—help when plans change]( [Everest climbing season canceled over coronavirus]( [Coronavirus is officially a pandemic. Here's why that matters.]( [How to talk to your kids about coronavirus]( [‘Wash your hands’ was once controversial medical advice]( [What underlying health conditions make coronavirus more severe?]( [SHOP]( [DONATE]( [SUBSCRIBE]( [TRAVEL]( [READ OUR LATEST STORIES]( [SHOP]( [DONATE]( [SUBSCRIBE]( [TRAVEL]( [FB]( [Twitter]( [IG]( Clicking on the Facebook, Twitter, Instagram, and National Geographic Channel links will take you away from our National Geographic Partners site where different terms of use and privacy policy apply. This email was sent to: {EMAIL}. Please do not reply to this email as this address is not monitored. This email contains an advertisement from: National Geographic | 1145 17th Street, N.W. | Washington, D.C. 20036 You are receiving this email because you elected to receive marketing communications from National Geographic under the terms of our [Privacy Policy]( [Manage all types of email preferences]( with National Geographic Partners. [Unsubscribe]( this type of email. If you reside in the EU/European Economic Area and wish to exercise all other data subject rights, [click here.]( © 2020 National Geographic Partners, LLC, All rights reserved. {LITMUS TRACKING PIXEL}