Delta variant

New evidence showing the delta variant is as contagious as chickenpox has prompted U.S. health officials to consider changing advice on how the nation fights the coronavirus.

An internal Centers for Disease Control and Prevention slide presentation argues that “the war has changed” against COVID-19.

The Centers for Disease Control and Prevention update their mask guidelines on Tuesday, July 27, in light of surges of hyper-contagious delta variant. The CDC now recommends both unvaccinated and vaccinated Americans wear masks indoors in public settings.

President Joe Biden is expected to announce on Thursday that all federal workers will be required to get vaccinated against the coronavirus, two administration officials tell NBC News, following an internal policy review.

Governments and businesses are scrambling to change course following new federal guidance calling for the return of mask wearing in virus hot spots amid a dramatic spike in COVID-19 cases and hospitalizations

President Biden said the government will “follow the science” when asked if vaccinated Americans will be encouraged to wear masks again with Delta variant infections on the rise, and reiterated the importance of getting vaccinated, saying, “We have a pandemic among the non-vaccinated.”

So far, the “variant of interest” has been detected in 29 countries, and it may spread more quickly than milder versions of the coronavirus.

COVID-19 cases have nearly tripled in the U.S. over two weeks amid an onslaught of vaccine misinformation

COVID-19 cases have tripled in the U.S. over two weeks amid an onslaught of vaccine misinformation

A debate over reinstating a mask mandate and the rise in Delta variant cases have led to new questions regarding COVID-19. NBC10’s Danny Freeman gets answers from local medical expert Dr. Arnold Baskies.

NBC10’s Randy Gyllenhaal reports on how the Delta variant of the coronavirus is causing an increase in COVID-19 cases, with the unvaccinated most at risk. Could face mask mandates return as the virus spreads?

The U.S. surgeon general says he’s worried about what lies ahead with cases of COVID-19 increasing in every state, millions still unvaccinated and a highly contagious virus variant spreading rapidly.

Philadelphians and city officials are now talking about how to deal with the Delta variant. NBC10’s Lauren Mayk reports what you need to know about the arrival of the more communicable strain.

In the face of steadily increasing COVID-19 infections and hospitalizations, Los Angeles County will again require people to wear masks in indoor settings beginning Saturday night, regardless of their vaccination status, health officials announced Thursday.

Even as the pandemic evolves and new variants emerge that are more transmissible or can make people sicker, human behavior remains one of the biggest pieces of the equation.

Pfizer and BioNTech say a third dose of its COVID-19 vaccine could extend protection against the virus.

The latest CDC data shows that the Delta variant is now the dominant coronavirus strain in the U.S.

In an update on the fight against coronavirus on Tuesday, President Joe Biden noted that almost every COVID-19 hospitalization and death since early May in the U.S. ‘has been among the unvaccinated.’

The New York Times’ Apoorva Mandavilli joined NBCLX to discuss how well current vaccines hold up against new variants of the coronavirus.

Driven by the delta variant, a new wave of COVID-19 is sweeping across the African continent where new cases, hospital admissions, and deaths are increasing