WATCH: Coronavirus explained
To combat the coronavirus, or COVID-19, pandemic, communities, cities and entire countries are locking down and asking residents to self-isolate.
Messages are displayed on public buildings. From inside their homes, many people are leaving messages up for their neighbors.
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A pedestrian walks dogs past the shuttered Globe Theatre, with the message 'After Every Storm Comes a Rainbow' written on the marquee, during the coronavirus pandemic, March 23, 2019, in Los Angeles, Calif.
From billboards to lawn signs, large and small, these messages are giving people a way to stay connected, offer help and show gratitude to medical workers on the front lines.
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Andrea Eby, left, puts up a yard sign showing support for a doctor who is a neighbor, March 22, 2020, in Nolensville, Tenn. Several residents in the neighborhood put up signs thanking medical personnel for their work during the coronavirus outbreak.
emergency
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A "Get Well" message for New York, with a Yankees shirt and masked Statue of Liberty, lies on a street in the Brooklyn borough of New York City, March 27, 2020.
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The iconic Matterhorn mountain is illuminated by Swiss light artist Gerry Hofstetter with messages of hope, support and solidarity during the global coronavirus pandemic, March 26, 2020, in the alpine resort of Zermatt, Switzerland.
In Seattle, the mayor placed a large flag atop the Space Needle.
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A flag that reads "#We Got This Seattle" flies on the roof of the Space Needle, March 26, 2020, in Seattle. The flag was raised by Mayor Jenny Durkan, who said it is intended to be a symbol of unity and encouragement as the city faces a state-wide stay-at-home mandate and one of the worst outbreaks of the new coronavirus.
Children have posted rainbows in their windows.
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Pictures drawn by children hang from a window as part of the Quarantine Rainbow Project in Brooklyn, New York, March 18, 2020.
The First Baptist Church in America in Providence, Rhode Island, with humor in mind, posted, "Had not planned on giving up quite this much for Lent."
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A sign at the First Baptist Church in America in Providence, R.I. displays a humorous messages about the coronavirus pandemic, March 24, 2020. Americans are turning to humor in many forms, like the sign in front of the church, as they cope with the fear and anxiety the coronavirus pandemic has unleashed.
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A woman takes photographs of graffiti reading 'Share your toilet paper!' in Vienna, Austria, March 27, 2020.
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Dubai's Burj Khalifa is lit up with a message "Stay Home," reminding citizens to stay home amid the COVID-19 pandemic, on March 24, 2020.
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The message "Merci" thanking those on the frontlines in fight against the coronavirus pandemic, is lit up on the facade of the Eiffel Tower, in Paris, March 27, 2020.
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Messages of support are seen in a shop window in Windsor, England, March 24, 2020, during the coronavirus pandemic.
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A sign hangs in the window of American Coney Island restaurant in Detroit, Michigan reading "Beating this virus one heart at a time," March 24, 2020, during the coronavirus pandemic.
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Chalk messages adorn the driveway of Meredith Brehm's home, on March 27, 2020, in Maplewood, New Jersey.
It's all a way to stay together, even when everyone is physically apart.