CHICAGO — The Delta variant of the SARS-CoV-2 virus now accounts for nearly all of the coronavirus infections globally, fueled by unchecked spread of the novel coronavirus in many parts of the world. So far, vaccines are still able to defend against serious disease and death from Delta, but scientists remain on alert. Here is what we know:ADVERTISEMENTDelta still dominantThe Delta variant, first detected in India in December 2020, remains the most worrisome version of the SARS-CoV-2 virus. Delta is more than two times as contagious as previous SARS-CoV-2 variants, according to the U.S. Centers for Disease Control and Prevention. People infected with Delta carry around 1,200 times more virus in their noses compared with the original version of the coronavirus.

Source: Philippine Daily Inquirer November 16, 2021 04:02 UTC