As the pandemic takes an unexpected direction, Americans again must reckon with twists in scientific understanding of the virus. Source: New York Times
Posts published in “Centers for Disease Control and Prevention”
Vaccine Effectiveness Against Infection May Wane, C.D.C. Studies Find
Federal health officials said the new data justified a campaign of booster shots. But some scientists disagreed, saying not every American needs another dose. Source: New York Times
In a Handful of States, Early Data Hint at a Rise in Breakthrough Infections
With the arrival of the contagious Delta variant, Covid hospitalizations and deaths among vaccinated Americans also may have increased, according to preliminary figures. Source: New York Times
Breakthrough Infections and the Delta Variant: What to Know
Scientific understanding of the coronavirus variant is changing quickly. Here’s a recap of the most important findings. Source: New York Times
F.D.A. Aiming to Speed Vaccine Booster Shot for Immunocompromised Patients
Worried about a vulnerable population as the Delta variant surges, administration officials are taking a new tack. Source: New York Times
New York Offers $100 Incentive for Vaccinations, but Delays Mask Guidance
Despite the rising number of Delta variant cases, officials said they were not yet ready to follow federal guidance and require masks indoors. Source: New York Times
Vaccinated People May Spread the Virus, Though Rarely, C.D.C. Reports
The agency cited an outbreak in Provincetown, Mass., in which most of the infected were immunized. Unpublished C.D.C. documents paint an even more harrowing picture. Source: New York Times
C.D.C. Internal Report Calls Delta Variant as Contagious as Chickenpox
Infections in vaccinated Americans also may be as transmissible as those in unvaccinated people, the document said, and lead more often to severe illness. Source: New York Times
How Often Do the Vaccinated Spread Covid-19?
The C.D.C.’s new masking advice was based in part on data showing that the virus can thrive in the airways of vaccinated people. The findings are expected on Friday. Source: New York Times
All of New York City Falls Under C.D.C. Indoor Mask Guidelines
It remains unclear if the city will reinstitute a mask mandate. At a news conference, Mayor Bill de Blasio said the city was still evaluating the agency’s guidance. Source: New York Times
Rise in Covid Cases Alarms New Yorkers: ‘It Never Went Away’
The city grapples with a new surge in cases and questions. The only shared emotion is uncertainty. Source: New York Times
C.D.C. Says Some Vaccinated Americans Should Wear Masks Again
In communities with growing caseloads, vaccinated and unvaccinated people should return to wearing masks indoors in public areas, health officials said. Source: New York Times
How Accurate Is New York’s Covid Death Toll?
The state’s methodology has allowed it to report 11,000 fewer coronavirus-related deaths than the count from the National Center for Health Statistics. Source: New York Times
What Parents Need to Know About the C.D.C.’s Covid School Guidelines
The agency’s advice on distancing, masks and vaccination bring the coming school year a bit more into focus. Source: New York Times
The C.D.C. Issues New School Guidance, With Emphasis on Full Reopening
The guidance acknowledges that many students have suffered from months of virtual learning. Source: New York Times