Variant

Pfizer and BioNTech announced Thursday that they are developing a version of the coronavirus vaccine that will target Delta, a highly contagious variant that has spread to nearly 100 countries. The companies expect to begin clinical trials…

The highly transmissible Delta variant is now the dominant strain of coronavirus in the United States, outperforming the alpha variant, according to Covid-19 modeling data released by the Centers for Disease Control and Prevention.Delta,…

As the Delta variant takes over the world, researchers are tracking how well vaccines protect against it - and getting different answers.In the UK, researchers reported in May that two doses of the Pfizer BioNTech vaccine had 88 percent…

Johnson & Johnson said its Covid vaccine is effective against the highly contagious Delta variant, which complements the growing body of evidence that the most widely used Covid vaccines offer protection against its most dangerous…

A slow and steady increase in box office receipts could be threatened by a new variant of the coronavirus.The domestic box office has gained momentum since March, bringing in up to $ 98.7 million in ticket sales last weekend, a record…

The Delta variant, which is now responsible for most of the coronavirus infections in England, does not lead to an increase in hospital admissions there, according to Public Health England on Thursday.Although the number of coronavirus…

The Johnson & Johnson coronavirus vaccine is effective against the highly contagious Delta variant, even eight months after inoculation, the company reported on Thursday — a finding that should reassure the 11 million Americans who have…

The US surgeon general Dr. Vivek Murthy told CNBC on Wednesday there was reason to hope that people who received the one-off Johnson & Johnson Covid-19 vaccine may be protected against the Delta variant of the virus.Murthy pointed to…

In May, federal health officials in the United States said that fully vaccinated people no longer needed to mask up, even indoors. The advice set the stage for a national reopening that continues to gain momentum.But that was before the…

Medical worker Mantra Nguyen installs a new oxygen mask for a patient in the Covid-19 Intensive Care Unit (ICU) at the United Memorial Medical Center in Houston, Texas.Nakamura go | Getty Images News | Getty Images.Delta "greatest threat"…