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Delta variant first seen in India is spreading fast, with fears it will surge in the U.S.

The Delta variant, which was first detected in India, now accounts for more than 6 percent of all infections in the United States.

A nurse prepares the Pfizer Covid-19 vaccine at a public housing project pop-up site targeting vulnerable communities in Los Angeles. — Photo: © AFP
A nurse prepares the Pfizer Covid-19 vaccine at a public housing project pop-up site targeting vulnerable communities in Los Angeles. — Photo: © AFP

The Delta variant, which was first detected in India, now accounts for more than 6 percent of all infections in the United States, according to the Centers for Disease Control and Prevention.

And this highly transmissible variant may be responsible for more than 18 percent of cases in some Western U.S. states. In the United Kingdom, the Delta variant, also known as B.1.617.2, is now the dominant strain, responsible for more than 60 percent of infections and is surging in some cities.

“We cannot let that happen in the United States,” says Dr. Anthony Fauci, according to CNN, adding it’s “such a powerful argument” to get vaccinated.

“There is reduced vaccine effectiveness in the one dose,” said Fauci, who is the National Institute of Allergy and Infectious Diseases director. “Three weeks after one dose, both vaccines, the AstraZeneca, and the Pfizer/BioNTech, were only 33 percent effective against symptomatic disease from Delta.”

Whether or not the UK will open up on June 21 will depend on the number of new cases, reports Reuters. British Prime Minister Boris Johnson has said that England’s full reopening, penciled in for June 21, could be pushed back due to the rapid spread of the Delta variant.

Public Health England study

Public Health England published a study online at medRxiv, that showed the Pfizer vaccine was 88% effective against symptomatic disease from the Delta variant two weeks after the second dose, and 93% effective against Alpha.

Two doses of the AstraZeneca vaccine offered 60% effectiveness against Delta and 66% against Alpha.

However, the bad news is that both the Pfizer and AstraZeneca vaccines were 33% effective against symptomatic disease from the Delta variant three weeks after just one dose and 50% effective against the Alpha variant.

Written By

Karen Graham is Digital Journal's Editor-at-Large for environmental news. Karen's view of what is happening in our world is colored by her love of history and how the past influences events taking place today. Her belief in man's part in the care of the planet and our environment has led her to focus on the need for action in dealing with climate change. It was said by Geoffrey C. Ward, "Journalism is merely history's first draft." Everyone who writes about what is happening today is indeed, writing a small part of our history.

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