The temporary exhibition In America: Remember, by Suzanne Brennan Firstenberg, ran from September 17 to October 3, 2021. More than 700,000 flags were planted at the National Mall in Washington, D.C., to represent each U.S. COVID-19 death at the time. People could dedicate flags to their loved ones. “For some families, it felt as if it was the funeral they never had,” says social anthropologist Sarah Wagner, who took part in running the exhibit.
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The FDA has now approved updated COVID-19 vaccines that are formulated to more closely target the omicron variants currently circulating.
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Long COVID affects millions of Americans of almost all ages, but there has been no standard definition for the condition until now.
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The temporary exhibition In America: Remember, by Suzanne Brennan Firstenberg, ran from September 17 to October 3, 2021. More than 
Though people with long COVID can struggle with all sorts of different symptoms, scientists are now getting a better idea of the varied factors that may underlie the disease.
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Colds, flu and other viruses tend to peak when it’s cold and dry, so people like this woman know when to take precautions like wearing a mask or getting vaccinated, but COVID-19 hasn’t settled into any particular season yet.
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Therapies to help people regain their sense of smell after a COVID-19 infection could help researchers figure out how exactly smell cells regenerate.
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Travelers arrive at John F. Kennedy International Airport in New York City, one of four major U.S. airports where the CDC is expanding a program to track pathogens entering the country.
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Researchers Katalin Karikó and Drew Weissman discovered how to deliver mRNA into cells inside the body by enveloping the molecule inside lipid bubbles (illustrated). Technology that was essential for developing some COVID-19 vaccines earned the pair the 2023 Nobel Prize in physiology or medicine.
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A new study measures exactly how much coronavirus infected people emit over time just by breathing.
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Testing wastewater at treatment plants can reveal the spread of a disease in a community.
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Coronavirus cases across the United States are on the rise, although a lack of testing data makes it difficult to gauge how much the virus is spreading.
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A coronavirus detector (illustrated in a 3-D rendering of a proposed final design) can sense airborne SARS-CoV-2, the virus that causes COVID-19, in just five minutes.
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Hallmarks of the early days of the COVID-19 global health emergency included drive-through testing and lots of personal protective equipment (as seen here at a West Palm Beach, Fla., testing site on March 16, 2020). On May 5, the World Health Organization declared the global public health emergency over.
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Paxlovid, an antiviral drug that stops the coronavirus from replicating, might protect against long COVID.
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In November 2021, omicron arrived on the scene, and people lined up for booster shots to avoid getting caught in the surge of cases. Now a new omicron subvariant is spreading fast in parts of the United States.
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