Vaccinated People Can Spread The Delta Variant, CDC Research Indicates The CDC has published new information about how dangerous the delta variant is and the risk it poses to unvaccinated people. The research also indicates that vaccinated people can spread the variant. Michaeleen Doucleff
Biden Calls On The Military To Look Into Making The COVID-19 Vaccine Mandatory The White House has called on the Defense Department to look into "how and when" it will mandate military service members to get the COVID-19 vaccine. Deirdre Walsh
These Athletes Made It All The Way To The Olympics Only To End Up In Isolation For athletes in Tokyo, the games aren't just defined by competing but by COVID-19 — and avoiding it long enough to participate. Already 20 athletes have had their Olympic dreams dashed by the virus. Leila Fadel
With The Delta Variant Thriving, CDC Reverses Mask Guidance As more become known about the highly contagious delta variant, new guidance calls for changes to masking policy for schools and with vaccinated people. Karen Zamora
Dr. Anthony Fauci Talks About 'Alarming' New Data On Breakthrough Infections NPR's Ailsa Chang speaks with NIAID Director Dr. Anthony Fauci about the new CDC data on breakthrough infections and updated mask guidance. Patrick Jarenwattananon
Vaccinated People Can Spread Delta Variant, Suggests Data Behind The CDC Mask Advice In an outbreak in Provincetown, Mass., three-quarters of cases occurred in fully vaccinated people. The study's findings suggest that vaccinated people infected with Delta can transmit the virus. Laurel Wamsley
Record-Breaking COVID-19 Cases Lead Olympic Host Japan To Expand A State Of Emergency The number of hospitalized COVID-19 patients has doubled over the past month, and experts estimate that the current fifth wave of infections still has a week or two to go before reaching its peak. Anthony Kuhn
Why Sweat Is A Human Superpower Sweat is an 'evolutionary marvel,' says Sarah Everts. the author of The Joy of Sweat. In her new book, Everts delves into the science of perspiration and how this trait has enabled humans to thrive. Suzette Lohmeyer
School Is In Session: How Have Students Fared? Schools across the U.S. are preparing for students to be back in physical classrooms this fall. Now there's questions about how much "learning loss" students have experienced because of the pandemic. Brianna Scott
An Outbreak Of The Coronavirus Delta Variant Has Spread To 15 Chinese Cities China is battling to stem the spread of new cases tied to the more infectious variant. Nearly 200 people have been infected since last week, when a case was detected at an international airport. Scott Neuman