Pfizer-BioNTech's COVID-19 vaccine has been tested for safety and efficacy in more than 44,000 people. Still, stopping viral spread will take more than immunizations, says the CDC. The agency is calling for those who are vaccinated to continue wearing masks and practicing safe physical distancing. Frank Augstein/AP hide caption
Going to the grocery store? Scientists share their advice about what to worry about and what not to. Katrina Wittkamp/Getty Images hide caption
Left to right: a neck gaiter (aka a buff) that slips over the head; a KN95 respirator, a version of the N95 respirator used in U.S. hospitals; a pleated surgical mask (below the KN95); a cloth mask. Photo illustration by Max Posner/NPR hide caption
Spending quality time with kids and listening deeply to them is one way to help them tame anxiety. Here Mariano Noesi and Maryam Jernigan-Noesi play with their 4-year-old son Carter. Jernigan-Noesi is a child psychologist. Lynsey Weatherspoon for NPR hide caption
Going to stay with family means exposing more than one household. Can testing in advance keep everyone safe? Noel Hendrickson/Getty Images hide caption
A drop-off at a day care last month in the Queens borough of New York City. Lindsey Nicholson/Education Images/Universal Images Group via Getty Images hide caption
More than 64 million Americans live in multigenerational households. Despite the emotional and financial benefits of living together, families like the Walkers, at home in Florissant, Mo., face a particular set of challenges as COVID-19 continues to spread. Michael B. Thomas for KHN hide caption
A man in a mask walks past a mural on the side of a building in New York City in April. Timothy A. Clary/AFP via Getty Images hide caption
Dental offices have begun seeing patients return for routine procedures. Seattle dentist Kathleen Saturay has increased the layers of protective equipment she wears when treating patients. Elaine Thompson/AP hide caption
The food service industry is relying on takeout and delivery orders to keep businesses afloat and maintain effective social distancing for customers and workers. Paul Taylor/Getty Images hide caption
A resident carries her groceries at a supermarket in Beijing, on Friday. Residents of China's capital were emptying supermarket shelves and overwhelming delivery apps as the city government ordered accelerated construction of COVID-19 quarantine centers and field hospitals. Ng Han Guan/AP hide caption
Health researchers say wearing masks and washing your hands often is more important than wiping down surfaces when it comes to protecting yourself from the coronavirus. Rodin Eckenroth/Getty Images hide caption
A paramedic uses a pulse oximeter to check a patient's vital signs during an August home visit in the Bronx borough of New York. Angus Mordant/Bloomberg via Getty Images hide caption
Health care workers will be among the first to receive a COVID-19 vaccine when they become available. But the vaccines have not been tested on pregnant women, raising questions about whether pregnant and lactating health care workers should get the shots. Justin Tallis/Pool/Getty Images hide caption