"The aim is to protect the most vulnerable, to protect those at highest risk of severe disease and dying. Those are our elderly populations, the immunocompromised, people with underlying conditions, but also health care workers because if a lot of health care workers get infected as we see now, they can be out sick, and we don't want them getting severely ill."
She went on, "There's no evidence right now that healthy children or healthy adolescents need boosters. No evidence at all."
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Swaminathan's remarks come two weeks after the U.S. Centers for Disease Controls and Prevention approved booster shots for adolescents 12 to 17 years old, and as the Omicron variant spread rapidly, resulting in a huge surge in cases. Although, the variant seems to be much milder than previous strains.
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Dr. Michael Ryan, executive director of the WHO's health emergencies program, explained that the agency still hasn't figured out how often or how many doses people will eventually need.
"I think people do have a certain fear out there that this booster thing is going to be like every two or three months and everyone's going to have to go and get a booster. And I don't think we have the answer to that yet," Ryan announced.
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He explained that scientists may eventually redefine how many doses are required in the primary series of Covid shots. While most healthy people may need only two shots, he explained the elderly or immunocompromised may need three or four.
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The current surge has led to a strong peak in pediatric cases. For the week ending January 6, more than 580,000 child Coronavirus cases were registered, marking a 78% growth from the week ending Dec. 30, according to the last updated data from the American Academy of Pediatrics.
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President Joe Biden repeatedly pledged while campaigning for the White House that he would "shut down the virus." Yet, cases have soared to record highs under his tenure in office.
More Americans have died from COVID-19 under his leadership than under the term of former President Donald Trump.
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Biden's approval rating in a Quinnipiac University poll last week tumbled to only 33 percent. Just 39 percent approved of Biden's handling of the virus while 55 percent disapproved.