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COVID-19 Vaccine Breakthrough Cases: Data from the States
By Anna Rouw, Jennifer Kates & Lindsey Dawson
CDC Urges Vaccinated People To Mask Up Indoors In Places With High Virus Transmission
By Allison Aubrey
Breakthrough COVID infections show ‘the unvaccinated are now putting the vaccinated at risk’
By Laura Santhanam
C.D.C. Internal Report Calls Delta Variant as Contagious as Chickenpox (Published 2021)
By Apoorva Mandavilli
What the CDC’s ‘substantial’ and ‘high’ levels of Covid-19 transmission actually mean
By Jessica Firger & Eric Levenson
CDC study shows 74% of people infected in Massachusetts Covid outbreak were fully vaccinated
By Berkeley Lovelace & Berkeley Lovelace Jr.
CDC wants more vaccinated people and schoolchildren to mask up — but Texas keeps it voluntary
By Karen Brooks
What is a breakthrough infection? 6 questions answered about catching COVID-19 after vaccination
By Sanjay Mishra
CDC under fire for decision to limit tracking of Covid-19 cases in vaccinated people
By Rachel Roubein & David Lim
How Did It Come to This?
By Katherine J. Wu
A timeline of the CDC’s advice on face masks
By Deborah Netburn
CDC says fully vaccinated people spread the Delta variant and should wear masks: 'This new science is worrisome'
By Aria Bendix
What the delta variant already means for retail
By Daphne Howland
Most people infected in Provincetown covid outbreak were vaccinated, CDC study shows
By Carolyn Johnson, Yasmeen Abutaleb & Joel Achenbach
Coronavirus Updates: Covid-19: C.D.C. Reverses Testing Advice for Fully Vaccinated (Published 2021)
By Apoorva Mandavilli, Dan Levin & Rebecca Robbins
As Covid Cases Rise All Over U.S., Lower Vaccination Rates Point to Worse Outcomes (Published 2021)
By Lauren Leatherby
Do you need to wear a mask where you live? Understand the CDC's new guidance
By Selena Simmons-Duffin
About 99.999% of fully vaccinated Americans have not had a deadly Covid-19 breakthrough case, CDC data shows
By Deidre McPhillips & Christina Maxouris
Should you be wearing a mask again? Here's a map of the Covid hot spots subject to the CDC's new guidance
By Nate Rattner
Vaccinated People With Breakthrough Infections Can Spread The Delta Variant, CDC Says
By Laurel Wamsley
As Infections Rise, C.D.C. Urges Some Vaccinated Americans to Wear Masks Again (Published 2021)
By Apoorva Mandavilli
Here’s what we know about the C.D.C.’s new mask recommendations for vaccinated people. (Published 2021)
By Apoorva Mandavilli, Sheryl Gay Stolberg & Daniel E. Slotnik
CDC reverses indoor mask policy, saying fully vaccinated people and kids should wear them indoors
By Berkeley Lovelace Jr. & Berkeley Lovelace
CDC updates guidance, recommends vaccinated people wear masks indoors in certain areas
By Jacqueline Howard
Covid-19 Updates: What We Know About the C.D.C.’s New Mask Guidance for Vaccinated People (Published 2021)
By Apoorva Mandavilli, Dan Levin & Daniel E. Slotnik