There is no universal definition of the complex condition, but clues about causes and potential treatments are beginning to emerge.
Tag: Vaccination and Immunization
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C.D.C. Advisers Recommend Pfizer Boosters for Children 5 to 11.
A third dose would enhance immunity to the coronavirus, the agency said. But hesitancy is high, and less than one-third of children in this age group have received two doses.
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Since You’re Already Getting a Flu Shot, Why Not One for Covid, Too?
Scientists and federal health officials are debating plans to pair coronavirus and flu vaccinations in the fall.
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China-Style Covid Lockdowns Risk Deepening North Korean Crisis
As infections spread quickly, outside experts are warning that the country’s desire to mimic Beijing’s playbook could worsen a coming disaster.
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The F.D.A. authorizes Pfizer-BioNTech boosters for children ages 5 to 11.
More than eight million of the 28 million children in that age group in the United States have received two vaccine shots.